139951640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{32099}}^1$

素因数の和:32219

約数の個数: 32

約数和(自身を含む): 317790000

約数和(自身を除く): 177838360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 32099, 64198, 128396, 160495, 256792, 320990, 641980, 1283960, 3498791, 6997582, 13995164, 17493955, 27990328, 34987910, 69975820, 139951640]

約数ペア:

[(1, 139951640), (2, 69975820), (4, 34987910), (5, 27990328), (8, 17493955), (10, 13995164), (20, 6997582), (40, 3498791), (109, 1283960), (218, 641980), (436, 320990), (545, 256792), (872, 160495), (1090, 128396), (2180, 64198), (4360, 32099)]