9897935440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3991103}}^1$

素因数の和:3991147

約数の個数: 40

約数和(自身を含む): 23755051008

約数和(自身を除く): 13857115568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3991103, 7982206, 15964412, 19955515, 31928824, 39911030, 63857648, 79822060, 123724193, 159644120, 247448386, 319288240, 494896772, 618620965, 989793544, 1237241930, 1979587088, 2474483860, 4948967720, 9897935440]

約数ペア:

[(1, 9897935440), (2, 4948967720), (4, 2474483860), (5, 1979587088), (8, 1237241930), (10, 989793544), (16, 618620965), (20, 494896772), (31, 319288240), (40, 247448386), (62, 159644120), (80, 123724193), (124, 79822060), (155, 63857648), (248, 39911030), (310, 31928824), (496, 19955515), (620, 15964412), (1240, 7982206), (2480, 3991103)]