140785880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113537}}^1$

素因数の和:113579

約数の個数: 32

約数和(自身を含む): 326989440

約数和(自身を除く): 186203560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 113537, 227074, 454148, 567685, 908296, 1135370, 2270740, 3519647, 4541480, 7039294, 14078588, 17598235, 28157176, 35196470, 70392940, 140785880]

約数ペア:

[(1, 140785880), (2, 70392940), (4, 35196470), (5, 28157176), (8, 17598235), (10, 14078588), (20, 7039294), (31, 4541480), (40, 3519647), (62, 2270740), (124, 1135370), (155, 908296), (248, 567685), (310, 454148), (620, 227074), (1240, 113537)]