40225640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 114428160

約数和(自身を除く): 74202520

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, 257, 260, 280, 301, 344, 364, 430, 455, 514, 520, 559, 602, 728, 860, 910, 1028, 1118, 1204, 1285, 1505, 1720, 1799, 1820, 2056, 2236, 2408, 2570, 2795, 3010, 3341, 3598, 3640, 3913, 4472, 5140, 5590, 6020, 6682, 7196, 7826, 8995, 10280, 11051, 11180, 12040, 13364, 14392, 15652, 16705, 17990, 19565, 22102, 22360, 23387, 26728, 31304, 33410, 35980, 39130, 44204, 46774, 55255, 66820, 71960, 77357, 78260, 88408, 93548, 110510, 116935, 133640, 143663, 154714, 156520, 187096, 221020, 233870, 287326, 309428, 386785, 442040, 467740, 574652, 618856, 718315, 773570, 935480, 1005641, 1149304, 1436630, 1547140, 2011282, 2873260, 3094280, 4022564, 5028205, 5746520, 8045128, 10056410, 20112820, 40225640]

約数ペア:

[(1, 40225640), (2, 20112820), (4, 10056410), (5, 8045128), (7, 5746520), (8, 5028205), (10, 4022564), (13, 3094280), (14, 2873260), (20, 2011282), (26, 1547140), (28, 1436630), (35, 1149304), (40, 1005641), (43, 935480), (52, 773570), (56, 718315), (65, 618856), (70, 574652), (86, 467740), (91, 442040), (104, 386785), (130, 309428), (140, 287326), (172, 233870), (182, 221020), (215, 187096), (257, 156520), (260, 154714), (280, 143663), (301, 133640), (344, 116935), (364, 110510), (430, 93548), (455, 88408), (514, 78260), (520, 77357), (559, 71960), (602, 66820), (728, 55255), (860, 46774), (910, 44204), (1028, 39130), (1118, 35980), (1204, 33410), (1285, 31304), (1505, 26728), (1720, 23387), (1799, 22360), (1820, 22102), (2056, 19565), (2236, 17990), (2408, 16705), (2570, 15652), (2795, 14392), (3010, 13364), (3341, 12040), (3598, 11180), (3640, 11051), (3913, 10280), (4472, 8995), (5140, 7826), (5590, 7196), (6020, 6682)]