4075280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 10439436

約数和(自身を除く): 6364156

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 421, 440, 484, 605, 842, 880, 968, 1210, 1684, 1936, 2105, 2420, 3368, 4210, 4631, 4840, 6736, 8420, 9262, 9680, 16840, 18524, 23155, 33680, 37048, 46310, 50941, 74096, 92620, 101882, 185240, 203764, 254705, 370480, 407528, 509410, 815056, 1018820, 2037640, 4075280]

約数ペア:

[(1, 4075280), (2, 2037640), (4, 1018820), (5, 815056), (8, 509410), (10, 407528), (11, 370480), (16, 254705), (20, 203764), (22, 185240), (40, 101882), (44, 92620), (55, 74096), (80, 50941), (88, 46310), (110, 37048), (121, 33680), (176, 23155), (220, 18524), (242, 16840), (421, 9680), (440, 9262), (484, 8420), (605, 6736), (842, 4840), (880, 4631), (968, 4210), (1210, 3368), (1684, 2420), (1936, 2105)]