72867980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117529}}^1$

素因数の和:117569

約数の個数: 24

約数和(自身を含む): 157960320

約数和(自身を除く): 85092340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 117529, 235058, 470116, 587645, 1175290, 2350580, 3643399, 7286798, 14573596, 18216995, 36433990, 72867980]

約数ペア:

[(1, 72867980), (2, 36433990), (4, 18216995), (5, 14573596), (10, 7286798), (20, 3643399), (31, 2350580), (62, 1175290), (124, 587645), (155, 470116), (310, 235058), (620, 117529)]