100340180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161839}}^1$

素因数の和:161879

約数の個数: 24

約数和(自身を含む): 217512960

約数和(自身を除く): 117172780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 161839, 323678, 647356, 809195, 1618390, 3236780, 5017009, 10034018, 20068036, 25085045, 50170090, 100340180]

約数ペア:

[(1, 100340180), (2, 50170090), (4, 25085045), (5, 20068036), (10, 10034018), (20, 5017009), (31, 3236780), (62, 1618390), (124, 809195), (155, 647356), (310, 323678), (620, 161839)]