1837996880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{323591}}^1$

素因数の和:323675

約数の個数: 40

約数和(自身を含む): 4333544064

約数和(自身を除く): 2495547184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 323591, 647182, 1294364, 1617955, 2588728, 3235910, 5177456, 6471820, 12943640, 22974961, 25887280, 45949922, 91899844, 114874805, 183799688, 229749610, 367599376, 459499220, 918998440, 1837996880]

約数ペア:

[(1, 1837996880), (2, 918998440), (4, 459499220), (5, 367599376), (8, 229749610), (10, 183799688), (16, 114874805), (20, 91899844), (40, 45949922), (71, 25887280), (80, 22974961), (142, 12943640), (284, 6471820), (355, 5177456), (568, 3235910), (710, 2588728), (1136, 1617955), (1420, 1294364), (2840, 647182), (5680, 323591)]