51609160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31469}}^1$

素因数の和:31521

約数の個数: 32

約数和(自身を含む): 118956600

約数和(自身を除く): 67347440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31469, 62938, 125876, 157345, 251752, 314690, 629380, 1258760, 1290229, 2580458, 5160916, 6451145, 10321832, 12902290, 25804580, 51609160]

約数ペア:

[(1, 51609160), (2, 25804580), (4, 12902290), (5, 10321832), (8, 6451145), (10, 5160916), (20, 2580458), (40, 1290229), (41, 1258760), (82, 629380), (164, 314690), (205, 251752), (328, 157345), (410, 125876), (820, 62938), (1640, 31469)]