1945240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4421}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 4775760

約数和(自身を除く): 2830520

約数列:

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

約数ペア:

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