162556280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21277}}^1$

素因数の和:21479

約数の個数: 32

約数和(自身を含む): 367683840

約数和(自身を除く): 205127560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 21277, 42554, 85108, 106385, 170216, 212770, 425540, 851080, 4063907, 8127814, 16255628, 20319535, 32511256, 40639070, 81278140, 162556280]

約数ペア:

[(1, 162556280), (2, 81278140), (4, 40639070), (5, 32511256), (8, 20319535), (10, 16255628), (20, 8127814), (40, 4063907), (191, 851080), (382, 425540), (764, 212770), (955, 170216), (1528, 106385), (1910, 85108), (3820, 42554), (7640, 21277)]