73315671280

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2240699}}^1$

素因数の和:2241121

約数の個数: 40

約数和(自身を含む): 170875782000

約数和(自身を除く): 97560110720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 2240699, 4481398, 8962796, 11203495, 17925592, 22406990, 35851184, 44813980, 89627960, 179255920, 916445891, 1832891782, 3665783564, 4582229455, 7331567128, 9164458910, 14663134256, 18328917820, 36657835640, 73315671280]

約数ペア:

[(1, 73315671280), (2, 36657835640), (4, 18328917820), (5, 14663134256), (8, 9164458910), (10, 7331567128), (16, 4582229455), (20, 3665783564), (40, 1832891782), (80, 916445891), (409, 179255920), (818, 89627960), (1636, 44813980), (2045, 35851184), (3272, 22406990), (4090, 17925592), (6544, 11203495), (8180, 8962796), (16360, 4481398), (32720, 2240699)]