42761960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7691}}^1$

素因数の和:7841

約数の個数: 32

約数和(自身を含む): 96919200

約数和(自身を除く): 54157240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7691, 15382, 30764, 38455, 61528, 76910, 153820, 307640, 1069049, 2138098, 4276196, 5345245, 8552392, 10690490, 21380980, 42761960]

約数ペア:

[(1, 42761960), (2, 21380980), (4, 10690490), (5, 8552392), (8, 5345245), (10, 4276196), (20, 2138098), (40, 1069049), (139, 307640), (278, 153820), (556, 76910), (695, 61528), (1112, 38455), (1390, 30764), (2780, 15382), (5560, 7691)]