78152240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31513}}^1$

素因数の和:31557

約数の個数: 40

約数和(自身を含む): 187571328

約数和(自身を除く): 109419088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31513, 63026, 126052, 157565, 252104, 315130, 504208, 630260, 976903, 1260520, 1953806, 2521040, 3907612, 4884515, 7815224, 9769030, 15630448, 19538060, 39076120, 78152240]

約数ペア:

[(1, 78152240), (2, 39076120), (4, 19538060), (5, 15630448), (8, 9769030), (10, 7815224), (16, 4884515), (20, 3907612), (31, 2521040), (40, 1953806), (62, 1260520), (80, 976903), (124, 630260), (155, 504208), (248, 315130), (310, 252104), (496, 157565), (620, 126052), (1240, 63026), (2480, 31513)]