100806920

素因数分解:

$2^3\times 5^1\times {\mathrm{2520173}}^1$

素因数の和:2520184

約数の個数: 16

約数和(自身を含む): 226815660

約数和(自身を除く): 126008740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2520173, 5040346, 10080692, 12600865, 20161384, 25201730, 50403460, 100806920]

約数ペア:

[(1, 100806920), (2, 50403460), (4, 25201730), (5, 20161384), (8, 12600865), (10, 10080692), (20, 5040346), (40, 2520173)]