129547760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52237}}^1$

素因数の和:52281

約数の個数: 40

約数和(自身を含む): 310920576

約数和(自身を除く): 181372816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52237, 104474, 208948, 261185, 417896, 522370, 835792, 1044740, 1619347, 2089480, 3238694, 4178960, 6477388, 8096735, 12954776, 16193470, 25909552, 32386940, 64773880, 129547760]

約数ペア:

[(1, 129547760), (2, 64773880), (4, 32386940), (5, 25909552), (8, 16193470), (10, 12954776), (16, 8096735), (20, 6477388), (31, 4178960), (40, 3238694), (62, 2089480), (80, 1619347), (124, 1044740), (155, 835792), (248, 522370), (310, 417896), (496, 261185), (620, 208948), (1240, 104474), (2480, 52237)]