76784360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31469}}^1$

素因数の和:31541

約数の個数: 32

約数和(自身を含む): 175602600

約数和(自身を除く): 98818240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 31469, 62938, 125876, 157345, 251752, 314690, 629380, 1258760, 1919609, 3839218, 7678436, 9598045, 15356872, 19196090, 38392180, 76784360]

約数ペア:

[(1, 76784360), (2, 38392180), (4, 19196090), (5, 15356872), (8, 9598045), (10, 7678436), (20, 3839218), (40, 1919609), (61, 1258760), (122, 629380), (244, 314690), (305, 251752), (488, 157345), (610, 125876), (1220, 62938), (2440, 31469)]