1661514440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1339931}}^1$

素因数の和:1339973

約数の個数: 32

約数和(自身を含む): 3859004160

約数和(自身を除く): 2197489720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1339931, 2679862, 5359724, 6699655, 10719448, 13399310, 26798620, 41537861, 53597240, 83075722, 166151444, 207689305, 332302888, 415378610, 830757220, 1661514440]

約数ペア:

[(1, 1661514440), (2, 830757220), (4, 415378610), (5, 332302888), (8, 207689305), (10, 166151444), (20, 83075722), (31, 53597240), (40, 41537861), (62, 26798620), (124, 13399310), (155, 10719448), (248, 6699655), (310, 5359724), (620, 2679862), (1240, 1339931)]