77107880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47017}}^1$

素因数の和:47069

約数の個数: 32

約数和(自身を含む): 177728040

約数和(自身を除く): 100620160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47017, 94034, 188068, 235085, 376136, 470170, 940340, 1880680, 1927697, 3855394, 7710788, 9638485, 15421576, 19276970, 38553940, 77107880]

約数ペア:

[(1, 77107880), (2, 38553940), (4, 19276970), (5, 15421576), (8, 9638485), (10, 7710788), (20, 3855394), (40, 1927697), (41, 1880680), (82, 940340), (164, 470170), (205, 376136), (328, 235085), (410, 188068), (820, 94034), (1640, 47017)]