78669160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47969}}^1$

素因数の和:48021

約数の個数: 32

約数和(自身を含む): 181326600

約数和(自身を除く): 102657440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47969, 95938, 191876, 239845, 383752, 479690, 959380, 1918760, 1966729, 3933458, 7866916, 9833645, 15733832, 19667290, 39334580, 78669160]

約数ペア:

[(1, 78669160), (2, 39334580), (4, 19667290), (5, 15733832), (8, 9833645), (10, 7866916), (20, 3933458), (40, 1966729), (41, 1918760), (82, 959380), (164, 479690), (205, 383752), (328, 239845), (410, 191876), (820, 95938), (1640, 47969)]