82931840

素因数分解:

$2^7\times 5^1\times {\mathrm{129581}}^1$

素因数の和:129600

約数の個数: 32

約数和(自身を含む): 198260460

約数和(自身を除く): 115328620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129581, 259162, 518324, 647905, 1036648, 1295810, 2073296, 2591620, 4146592, 5183240, 8293184, 10366480, 16586368, 20732960, 41465920, 82931840]

約数ペア:

[(1, 82931840), (2, 41465920), (4, 20732960), (5, 16586368), (8, 10366480), (10, 8293184), (16, 5183240), (20, 4146592), (32, 2591620), (40, 2073296), (64, 1295810), (80, 1036648), (128, 647905), (160, 518324), (320, 259162), (640, 129581)]