40160563984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80968879}}^1$

素因数の和:80968918

約数の個数: 20

約数和(自身を含む): 80321128960

約数和(自身を除く): 40160564976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80968879, 161937758, 323875516, 647751032, 1295502064, 2510035249, 5020070498, 10040140996, 20080281992, 40160563984]

約数ペア:

[(1, 40160563984), (2, 20080281992), (4, 10040140996), (8, 5020070498), (16, 2510035249), (31, 1295502064), (62, 647751032), (124, 323875516), (248, 161937758), (496, 80968879)]