4260520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 10938240

約数和(自身を除く): 6677720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 421, 440, 460, 506, 842, 920, 1012, 1265, 1684, 2024, 2105, 2530, 3368, 4210, 4631, 5060, 8420, 9262, 9683, 10120, 16840, 18524, 19366, 23155, 37048, 38732, 46310, 48415, 77464, 92620, 96830, 106513, 185240, 193660, 213026, 387320, 426052, 532565, 852104, 1065130, 2130260, 4260520]

約数ペア:

[(1, 4260520), (2, 2130260), (4, 1065130), (5, 852104), (8, 532565), (10, 426052), (11, 387320), (20, 213026), (22, 193660), (23, 185240), (40, 106513), (44, 96830), (46, 92620), (55, 77464), (88, 48415), (92, 46310), (110, 38732), (115, 37048), (184, 23155), (220, 19366), (230, 18524), (253, 16840), (421, 10120), (440, 9683), (460, 9262), (506, 8420), (842, 5060), (920, 4631), (1012, 4210), (1265, 3368), (1684, 2530), (2024, 2105)]