201880240

素因数分解:

$2^4\times 5^1\times {\mathrm{2523503}}^1$

素因数の和:2523516

約数の個数: 20

約数和(自身を含む): 469371744

約数和(自身を除く): 267491504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523503, 5047006, 10094012, 12617515, 20188024, 25235030, 40376048, 50470060, 100940120, 201880240]

約数ペア:

[(1, 201880240), (2, 100940120), (4, 50470060), (5, 40376048), (8, 25235030), (10, 20188024), (16, 12617515), (20, 10094012), (40, 5047006), (80, 2523503)]