201810320

素因数分解:

$2^4\times 5^1\times {\mathrm{2522629}}^1$

素因数の和:2522642

約数の個数: 20

約数和(自身を含む): 469209180

約数和(自身を除く): 267398860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522629, 5045258, 10090516, 12613145, 20181032, 25226290, 40362064, 50452580, 100905160, 201810320]

約数ペア:

[(1, 201810320), (2, 100905160), (4, 50452580), (5, 40362064), (8, 25226290), (10, 20181032), (16, 12613145), (20, 10090516), (40, 5045258), (80, 2522629)]