74719760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54941}}^1$

素因数の和:54971

約数の個数: 40

約数和(自身を含む): 183945816

約数和(自身を除く): 109226056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 54941, 109882, 219764, 274705, 439528, 549410, 879056, 933997, 1098820, 1867994, 2197640, 3735988, 4395280, 4669985, 7471976, 9339970, 14943952, 18679940, 37359880, 74719760]

約数ペア:

[(1, 74719760), (2, 37359880), (4, 18679940), (5, 14943952), (8, 9339970), (10, 7471976), (16, 4669985), (17, 4395280), (20, 3735988), (34, 2197640), (40, 1867994), (68, 1098820), (80, 933997), (85, 879056), (136, 549410), (170, 439528), (272, 274705), (340, 219764), (680, 109882), (1360, 54941)]