31765520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23357}}^1$

素因数の和:23387

約数の個数: 40

約数和(自身を含む): 78202584

約数和(自身を除く): 46437064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23357, 46714, 93428, 116785, 186856, 233570, 373712, 397069, 467140, 794138, 934280, 1588276, 1868560, 1985345, 3176552, 3970690, 6353104, 7941380, 15882760, 31765520]

約数ペア:

[(1, 31765520), (2, 15882760), (4, 7941380), (5, 6353104), (8, 3970690), (10, 3176552), (16, 1985345), (17, 1868560), (20, 1588276), (34, 934280), (40, 794138), (68, 467140), (80, 397069), (85, 373712), (136, 233570), (170, 186856), (272, 116785), (340, 93428), (680, 46714), (1360, 23357)]