4078640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3029

約数の個数: 40

約数和(自身を含む): 10044000

約数和(自身を除く): 5965360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2999, 5998, 11996, 14995, 23992, 29990, 47984, 50983, 59980, 101966, 119960, 203932, 239920, 254915, 407864, 509830, 815728, 1019660, 2039320, 4078640]

約数ペア:

[(1, 4078640), (2, 2039320), (4, 1019660), (5, 815728), (8, 509830), (10, 407864), (16, 254915), (17, 239920), (20, 203932), (34, 119960), (40, 101966), (68, 59980), (80, 50983), (85, 47984), (136, 29990), (170, 23992), (272, 14995), (340, 11996), (680, 5998), (1360, 2999)]