25156938640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18497749}}^1$

素因数の和:18497779

約数の個数: 40

約数和(自身を含む): 61930467000

約数和(自身を除く): 36773528360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18497749, 36995498, 73990996, 92488745, 147981992, 184977490, 295963984, 314461733, 369954980, 628923466, 739909960, 1257846932, 1479819920, 1572308665, 2515693864, 3144617330, 5031387728, 6289234660, 12578469320, 25156938640]

約数ペア:

[(1, 25156938640), (2, 12578469320), (4, 6289234660), (5, 5031387728), (8, 3144617330), (10, 2515693864), (16, 1572308665), (17, 1479819920), (20, 1257846932), (34, 739909960), (40, 628923466), (68, 369954980), (80, 314461733), (85, 295963984), (136, 184977490), (170, 147981992), (272, 92488745), (340, 73990996), (680, 36995498), (1360, 18497749)]