2037640

素因数分解:

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

素因数の和:454

約数の個数: 48

約数和(自身を含む): 5051340

約数和(自身を除く): 3013700

約数列:

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

約数ペア:

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