54142280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79621}}^1$

素因数の和:79649

約数の個数: 32

約数和(自身を含む): 128987640

約数和(自身を除く): 74845360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 79621, 159242, 318484, 398105, 636968, 796210, 1353557, 1592420, 2707114, 3184840, 5414228, 6767785, 10828456, 13535570, 27071140, 54142280]

約数ペア:

[(1, 54142280), (2, 27071140), (4, 13535570), (5, 10828456), (8, 6767785), (10, 5414228), (17, 3184840), (20, 2707114), (34, 1592420), (40, 1353557), (68, 796210), (85, 636968), (136, 398105), (170, 318484), (340, 159242), (680, 79621)]