64564120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22111}}^1$

素因数の和:22195

約数の個数: 32

約数和(自身を含む): 147265920

約数和(自身を除く): 82701800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22111, 44222, 88444, 110555, 176888, 221110, 442220, 884440, 1614103, 3228206, 6456412, 8070515, 12912824, 16141030, 32282060, 64564120]

約数ペア:

[(1, 64564120), (2, 32282060), (4, 16141030), (5, 12912824), (8, 8070515), (10, 6456412), (20, 3228206), (40, 1614103), (73, 884440), (146, 442220), (292, 221110), (365, 176888), (584, 110555), (730, 88444), (1460, 44222), (2920, 22111)]