27905240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63421}}^1$

素因数の和:63443

約数の個数: 32

約数和(自身を含む): 68495760

約数和(自身を除く): 40590520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63421, 126842, 253684, 317105, 507368, 634210, 697631, 1268420, 1395262, 2536840, 2790524, 3488155, 5581048, 6976310, 13952620, 27905240]

約数ペア:

[(1, 27905240), (2, 13952620), (4, 6976310), (5, 5581048), (8, 3488155), (10, 2790524), (11, 2536840), (20, 1395262), (22, 1268420), (40, 697631), (44, 634210), (55, 507368), (88, 317105), (110, 253684), (220, 126842), (440, 63421)]