40234280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 94970880

約数和(自身を除く): 54736600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 457, 568, 620, 710, 914, 1240, 1420, 1828, 2201, 2285, 2840, 3656, 4402, 4570, 8804, 9140, 11005, 14167, 17608, 18280, 22010, 28334, 32447, 44020, 56668, 64894, 70835, 88040, 113336, 129788, 141670, 162235, 259576, 283340, 324470, 566680, 648940, 1005857, 1297880, 2011714, 4023428, 5029285, 8046856, 10058570, 20117140, 40234280]

約数ペア:

[(1, 40234280), (2, 20117140), (4, 10058570), (5, 8046856), (8, 5029285), (10, 4023428), (20, 2011714), (31, 1297880), (40, 1005857), (62, 648940), (71, 566680), (124, 324470), (142, 283340), (155, 259576), (248, 162235), (284, 141670), (310, 129788), (355, 113336), (457, 88040), (568, 70835), (620, 64894), (710, 56668), (914, 44020), (1240, 32447), (1420, 28334), (1828, 22010), (2201, 18280), (2285, 17608), (2840, 14167), (3656, 11005), (4402, 9140), (4570, 8804)]