40325870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 84260736

約数和(自身を除く): 43934866

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 130, 142, 170, 221, 257, 355, 442, 514, 710, 923, 1105, 1207, 1285, 1846, 2210, 2414, 2570, 3341, 4369, 4615, 6035, 6682, 8738, 9230, 12070, 15691, 16705, 18247, 21845, 31382, 33410, 36494, 43690, 56797, 78455, 91235, 113594, 156910, 182470, 237211, 283985, 310199, 474422, 567970, 620398, 1186055, 1550995, 2372110, 3101990, 4032587, 8065174, 20162935, 40325870]

約数ペア:

[(1, 40325870), (2, 20162935), (5, 8065174), (10, 4032587), (13, 3101990), (17, 2372110), (26, 1550995), (34, 1186055), (65, 620398), (71, 567970), (85, 474422), (130, 310199), (142, 283985), (170, 237211), (221, 182470), (257, 156910), (355, 113594), (442, 91235), (514, 78455), (710, 56797), (923, 43690), (1105, 36494), (1207, 33410), (1285, 31382), (1846, 21845), (2210, 18247), (2414, 16705), (2570, 15691), (3341, 12070), (4369, 9230), (4615, 8738), (6035, 6682)]