31821800

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1487}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 74727360

約数和(自身を除く): 42905560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 1487, 2140, 2675, 2974, 4280, 5350, 5948, 7435, 10700, 11896, 14870, 21400, 29740, 37175, 59480, 74350, 148700, 159109, 297400, 318218, 636436, 795545, 1272872, 1591090, 3182180, 3977725, 6364360, 7955450, 15910900, 31821800]

約数ペア:

[(1, 31821800), (2, 15910900), (4, 7955450), (5, 6364360), (8, 3977725), (10, 3182180), (20, 1591090), (25, 1272872), (40, 795545), (50, 636436), (100, 318218), (107, 297400), (200, 159109), (214, 148700), (428, 74350), (535, 59480), (856, 37175), (1070, 29740), (1487, 21400), (2140, 14870), (2675, 11896), (2974, 10700), (4280, 7435), (5350, 5948)]