156841240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40423}}^1$

素因数の和:40531

約数の個数: 32

約数和(自身を含む): 356539680

約数和(自身を除く): 199698440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 40423, 80846, 161692, 202115, 323384, 404230, 808460, 1616920, 3921031, 7842062, 15684124, 19605155, 31368248, 39210310, 78420620, 156841240]

約数ペア:

[(1, 156841240), (2, 78420620), (4, 39210310), (5, 31368248), (8, 19605155), (10, 15684124), (20, 7842062), (40, 3921031), (97, 1616920), (194, 808460), (388, 404230), (485, 323384), (776, 202115), (970, 161692), (1940, 80846), (3880, 40423)]