100356920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80933}}^1$

素因数の和:80975

約数の個数: 32

約数和(自身を含む): 233089920

約数和(自身を除く): 132733000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80933, 161866, 323732, 404665, 647464, 809330, 1618660, 2508923, 3237320, 5017846, 10035692, 12544615, 20071384, 25089230, 50178460, 100356920]

約数ペア:

[(1, 100356920), (2, 50178460), (4, 25089230), (5, 20071384), (8, 12544615), (10, 10035692), (20, 5017846), (31, 3237320), (40, 2508923), (62, 1618660), (124, 809330), (155, 647464), (248, 404665), (310, 323732), (620, 161866), (1240, 80933)]