77441960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14779}}^1$

素因数の和:14921

約数の個数: 32

約数和(自身を含む): 175586400

約数和(自身を除く): 98144440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 14779, 29558, 59116, 73895, 118232, 147790, 295580, 591160, 1936049, 3872098, 7744196, 9680245, 15488392, 19360490, 38720980, 77441960]

約数ペア:

[(1, 77441960), (2, 38720980), (4, 19360490), (5, 15488392), (8, 9680245), (10, 7744196), (20, 3872098), (40, 1936049), (131, 591160), (262, 295580), (524, 147790), (655, 118232), (1048, 73895), (1310, 59116), (2620, 29558), (5240, 14779)]