220102760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 512628480

約数和(自身を除く): 292525720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 820, 824, 1030, 1303, 1640, 2060, 2606, 4120, 4223, 5212, 6515, 8446, 10424, 13030, 16892, 21115, 26060, 33784, 42230, 52120, 53423, 84460, 106846, 134209, 168920, 213692, 267115, 268418, 427384, 534230, 536836, 671045, 1068460, 1073672, 1342090, 2136920, 2684180, 5368360, 5502569, 11005138, 22010276, 27512845, 44020552, 55025690, 110051380, 220102760]

約数ペア:

[(1, 220102760), (2, 110051380), (4, 55025690), (5, 44020552), (8, 27512845), (10, 22010276), (20, 11005138), (40, 5502569), (41, 5368360), (82, 2684180), (103, 2136920), (164, 1342090), (205, 1073672), (206, 1068460), (328, 671045), (410, 536836), (412, 534230), (515, 427384), (820, 268418), (824, 267115), (1030, 213692), (1303, 168920), (1640, 134209), (2060, 106846), (2606, 84460), (4120, 53423), (4223, 52120), (5212, 42230), (6515, 33784), (8446, 26060), (10424, 21115), (13030, 16892)]