26985769720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{172411}}^1$

素因数の和:172485

約数の個数: 128

約数和(自身を含む): 76468170240

約数和(自身を除く): 49482400520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 602, 728, 860, 910, 1118, 1204, 1505, 1720, 1820, 2236, 2408, 2795, 3010, 3640, 3913, 4472, 5590, 6020, 7826, 11180, 12040, 15652, 19565, 22360, 31304, 39130, 78260, 156520, 172411, 344822, 689644, 862055, 1206877, 1379288, 1724110, 2241343, 2413754, 3448220, 4482686, 4827508, 6034385, 6896440, 7413673, 8965372, 9655016, 11206715, 12068770, 14827346, 15689401, 17930744, 22413430, 24137540, 29654692, 31378802, 37068365, 44826860, 48275080, 51895711, 59309384, 62757604, 74136730, 78447005, 89653720, 96377749, 103791422, 125515208, 148273460, 156894010, 192755498, 207582844, 259478555, 296546920, 313788020, 385510996, 415165688, 481888745, 518957110, 627576040, 674644243, 771021992, 963777490, 1037914220, 1349288486, 1927554980, 2075828440, 2698576972, 3373221215, 3855109960, 5397153944, 6746442430, 13492884860, 26985769720]

約数ペア:

[(1, 26985769720), (2, 13492884860), (4, 6746442430), (5, 5397153944), (7, 3855109960), (8, 3373221215), (10, 2698576972), (13, 2075828440), (14, 1927554980), (20, 1349288486), (26, 1037914220), (28, 963777490), (35, 771021992), (40, 674644243), (43, 627576040), (52, 518957110), (56, 481888745), (65, 415165688), (70, 385510996), (86, 313788020), (91, 296546920), (104, 259478555), (130, 207582844), (140, 192755498), (172, 156894010), (182, 148273460), (215, 125515208), (260, 103791422), (280, 96377749), (301, 89653720), (344, 78447005), (364, 74136730), (430, 62757604), (455, 59309384), (520, 51895711), (559, 48275080), (602, 44826860), (728, 37068365), (860, 31378802), (910, 29654692), (1118, 24137540), (1204, 22413430), (1505, 17930744), (1720, 15689401), (1820, 14827346), (2236, 12068770), (2408, 11206715), (2795, 9655016), (3010, 8965372), (3640, 7413673), (3913, 6896440), (4472, 6034385), (5590, 4827508), (6020, 4482686), (7826, 3448220), (11180, 2413754), (12040, 2241343), (15652, 1724110), (19565, 1379288), (22360, 1206877), (31304, 862055), (39130, 689644), (78260, 344822), (156520, 172411)]