26988520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 71850240

約数和(自身を除く): 44861720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 71, 85, 86, 104, 130, 136, 142, 170, 172, 215, 221, 260, 284, 340, 344, 355, 430, 442, 520, 559, 568, 680, 710, 731, 860, 884, 923, 1105, 1118, 1207, 1420, 1462, 1720, 1768, 1846, 2210, 2236, 2414, 2795, 2840, 2924, 3053, 3655, 3692, 4420, 4472, 4615, 4828, 5590, 5848, 6035, 6106, 7310, 7384, 8840, 9230, 9503, 9656, 11180, 12070, 12212, 14620, 15265, 15691, 18460, 19006, 22360, 24140, 24424, 29240, 30530, 31382, 36920, 38012, 39689, 47515, 48280, 51901, 61060, 62764, 76024, 78455, 79378, 95030, 103802, 122120, 125528, 156910, 158756, 190060, 198445, 207604, 259505, 313820, 317512, 380120, 396890, 415208, 519010, 627640, 674713, 793780, 1038020, 1349426, 1587560, 2076040, 2698852, 3373565, 5397704, 6747130, 13494260, 26988520]

約数ペア:

[(1, 26988520), (2, 13494260), (4, 6747130), (5, 5397704), (8, 3373565), (10, 2698852), (13, 2076040), (17, 1587560), (20, 1349426), (26, 1038020), (34, 793780), (40, 674713), (43, 627640), (52, 519010), (65, 415208), (68, 396890), (71, 380120), (85, 317512), (86, 313820), (104, 259505), (130, 207604), (136, 198445), (142, 190060), (170, 158756), (172, 156910), (215, 125528), (221, 122120), (260, 103802), (284, 95030), (340, 79378), (344, 78455), (355, 76024), (430, 62764), (442, 61060), (520, 51901), (559, 48280), (568, 47515), (680, 39689), (710, 38012), (731, 36920), (860, 31382), (884, 30530), (923, 29240), (1105, 24424), (1118, 24140), (1207, 22360), (1420, 19006), (1462, 18460), (1720, 15691), (1768, 15265), (1846, 14620), (2210, 12212), (2236, 12070), (2414, 11180), (2795, 9656), (2840, 9503), (2924, 9230), (3053, 8840), (3655, 7384), (3692, 7310), (4420, 6106), (4472, 6035), (4615, 5848), (4828, 5590)]