2928040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 6687360

約数和(自身を除く): 3759320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1031, 1420, 2062, 2840, 4124, 5155, 8248, 10310, 20620, 41240, 73201, 146402, 292804, 366005, 585608, 732010, 1464020, 2928040]

約数ペア:

[(1, 2928040), (2, 1464020), (4, 732010), (5, 585608), (8, 366005), (10, 292804), (20, 146402), (40, 73201), (71, 41240), (142, 20620), (284, 10310), (355, 8248), (568, 5155), (710, 4124), (1031, 2840), (1420, 2062)]