90158960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26209}}^1$

素因数の和:26265

約数の個数: 40

約数和(自身を含む): 214502640

約数和(自身を除く): 124343680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26209, 52418, 104836, 131045, 209672, 262090, 419344, 524180, 1048360, 1126987, 2096720, 2253974, 4507948, 5634935, 9015896, 11269870, 18031792, 22539740, 45079480, 90158960]

約数ペア:

[(1, 90158960), (2, 45079480), (4, 22539740), (5, 18031792), (8, 11269870), (10, 9015896), (16, 5634935), (20, 4507948), (40, 2253974), (43, 2096720), (80, 1126987), (86, 1048360), (172, 524180), (215, 419344), (344, 262090), (430, 209672), (688, 131045), (860, 104836), (1720, 52418), (3440, 26209)]