3890480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4421}}^1$

素因数の和:4445

約数の個数: 40

約数和(自身を含む): 9869904

約数和(自身を除く): 5979424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4421, 8842, 17684, 22105, 35368, 44210, 48631, 70736, 88420, 97262, 176840, 194524, 243155, 353680, 389048, 486310, 778096, 972620, 1945240, 3890480]

約数ペア:

[(1, 3890480), (2, 1945240), (4, 972620), (5, 778096), (8, 486310), (10, 389048), (11, 353680), (16, 243155), (20, 194524), (22, 176840), (40, 97262), (44, 88420), (55, 70736), (80, 48631), (88, 44210), (110, 35368), (176, 22105), (220, 17684), (440, 8842), (880, 4421)]