145021160

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11437}}^1$

素因数の和:11765

約数の個数: 32

約数和(自身を含む): 327355560

約数和(自身を除く): 182334400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 11437, 12680, 22874, 45748, 57185, 91496, 114370, 228740, 457480, 3625529, 7251058, 14502116, 18127645, 29004232, 36255290, 72510580, 145021160]

約数ペア:

[(1, 145021160), (2, 72510580), (4, 36255290), (5, 29004232), (8, 18127645), (10, 14502116), (20, 7251058), (40, 3625529), (317, 457480), (634, 228740), (1268, 114370), (1585, 91496), (2536, 57185), (3170, 45748), (6340, 22874), (11437, 12680)]