202115960

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{3121}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 455187600

約数和(自身を除く): 253071640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3121, 3238, 6242, 6476, 8095, 12484, 12952, 15605, 16190, 24968, 31210, 32380, 62420, 64760, 124840, 5052899, 10105798, 20211596, 25264495, 40423192, 50528990, 101057980, 202115960]

約数ペア:

[(1, 202115960), (2, 101057980), (4, 50528990), (5, 40423192), (8, 25264495), (10, 20211596), (20, 10105798), (40, 5052899), (1619, 124840), (3121, 64760), (3238, 62420), (6242, 32380), (6476, 31210), (8095, 24968), (12484, 16190), (12952, 15605)]