3788892040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{723071}}^1$

素因数の和:723213

約数の個数: 32

約数和(自身を含む): 8590095360

約数和(自身を除く): 4801203320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 723071, 1446142, 2892284, 3615355, 5784568, 7230710, 14461420, 28922840, 94722301, 189444602, 378889204, 473611505, 757778408, 947223010, 1894446020, 3788892040]

約数ペア:

[(1, 3788892040), (2, 1894446020), (4, 947223010), (5, 757778408), (8, 473611505), (10, 378889204), (20, 189444602), (40, 94722301), (131, 28922840), (262, 14461420), (524, 7230710), (655, 5784568), (1048, 3615355), (1310, 2892284), (2620, 1446142), (5240, 723071)]