31662320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3631}}^1$

素因数の和:3753

約数の個数: 40

約数和(自身を含む): 74310720

約数和(自身を除く): 42648400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3631, 4360, 7262, 8720, 14524, 18155, 29048, 36310, 58096, 72620, 145240, 290480, 395779, 791558, 1583116, 1978895, 3166232, 3957790, 6332464, 7915580, 15831160, 31662320]

約数ペア:

[(1, 31662320), (2, 15831160), (4, 7915580), (5, 6332464), (8, 3957790), (10, 3166232), (16, 1978895), (20, 1583116), (40, 791558), (80, 395779), (109, 290480), (218, 145240), (436, 72620), (545, 58096), (872, 36310), (1090, 29048), (1744, 18155), (2180, 14524), (3631, 8720), (4360, 7262)]