38917360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4463}}^1$

素因数の和:4585

約数の個数: 40

約数和(自身を含む): 91333440

約数和(自身を除く): 52416080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4463, 8720, 8926, 17852, 22315, 35704, 44630, 71408, 89260, 178520, 357040, 486467, 972934, 1945868, 2432335, 3891736, 4864670, 7783472, 9729340, 19458680, 38917360]

約数ペア:

[(1, 38917360), (2, 19458680), (4, 9729340), (5, 7783472), (8, 4864670), (10, 3891736), (16, 2432335), (20, 1945868), (40, 972934), (80, 486467), (109, 357040), (218, 178520), (436, 89260), (545, 71408), (872, 44630), (1090, 35704), (1744, 22315), (2180, 17852), (4360, 8926), (4463, 8720)]