71335960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57529}}^1$

素因数の和:57571

約数の個数: 32

約数和(自身を含む): 165686400

約数和(自身を除く): 94350440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57529, 115058, 230116, 287645, 460232, 575290, 1150580, 1783399, 2301160, 3566798, 7133596, 8916995, 14267192, 17833990, 35667980, 71335960]

約数ペア:

[(1, 71335960), (2, 35667980), (4, 17833990), (5, 14267192), (8, 8916995), (10, 7133596), (20, 3566798), (31, 2301160), (40, 1783399), (62, 1150580), (124, 575290), (155, 460232), (248, 287645), (310, 230116), (620, 115058), (1240, 57529)]