40809680

素因数分解:

$2^4\times 5^1\times {\mathrm{510121}}^1$

素因数の和:510134

約数の個数: 20

約数和(自身を含む): 94882692

約数和(自身を除く): 54073012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510121, 1020242, 2040484, 2550605, 4080968, 5101210, 8161936, 10202420, 20404840, 40809680]

約数ペア:

[(1, 40809680), (2, 20404840), (4, 10202420), (5, 8161936), (8, 5101210), (10, 4080968), (16, 2550605), (20, 2040484), (40, 1020242), (80, 510121)]