40520830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19961}}^1$

素因数の和:20004

約数の個数: 32

約数和(自身を含む): 86235840

約数和(自身を除く): 45715010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 19961, 39922, 99805, 139727, 199610, 279454, 578869, 698635, 1157738, 1397270, 2894345, 4052083, 5788690, 8104166, 20260415, 40520830]

約数ペア:

[(1, 40520830), (2, 20260415), (5, 8104166), (7, 5788690), (10, 4052083), (14, 2894345), (29, 1397270), (35, 1157738), (58, 698635), (70, 578869), (145, 279454), (203, 199610), (290, 139727), (406, 99805), (1015, 39922), (2030, 19961)]