158097640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{96401}}^1$

素因数の和:96453

約数の個数: 32

約数和(自身を含む): 364399560

約数和(自身を除く): 206301920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 96401, 192802, 385604, 482005, 771208, 964010, 1928020, 3856040, 3952441, 7904882, 15809764, 19762205, 31619528, 39524410, 79048820, 158097640]

約数ペア:

[(1, 158097640), (2, 79048820), (4, 39524410), (5, 31619528), (8, 19762205), (10, 15809764), (20, 7904882), (40, 3952441), (41, 3856040), (82, 1928020), (164, 964010), (205, 771208), (328, 482005), (410, 385604), (820, 192802), (1640, 96401)]