83759980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{220421}}^1$

素因数の和:220449

約数の個数: 24

約数和(自身を含む): 185154480

約数和(自身を除く): 101394500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 220421, 440842, 881684, 1102105, 2204210, 4187999, 4408420, 8375998, 16751996, 20939995, 41879990, 83759980]

約数ペア:

[(1, 83759980), (2, 41879990), (4, 20939995), (5, 16751996), (10, 8375998), (19, 4408420), (20, 4187999), (38, 2204210), (76, 1102105), (95, 881684), (190, 440842), (380, 220421)]