66790750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20551}}^1$

素因数の和:20581

約数の個数: 32

約数和(自身を含む): 134656704

約数和(自身を除く): 67865954

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20551, 41102, 102755, 205510, 267163, 513775, 534326, 1027550, 1335815, 2568875, 2671630, 5137750, 6679075, 13358150, 33395375, 66790750]

約数ペア:

[(1, 66790750), (2, 33395375), (5, 13358150), (10, 6679075), (13, 5137750), (25, 2671630), (26, 2568875), (50, 1335815), (65, 1027550), (125, 534326), (130, 513775), (250, 267163), (325, 205510), (650, 102755), (1625, 41102), (3250, 20551)]