77080880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31081}}^1$

素因数の和:31125

約数の個数: 40

約数和(自身を含む): 185000064

約数和(自身を除く): 107919184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31081, 62162, 124324, 155405, 248648, 310810, 497296, 621620, 963511, 1243240, 1927022, 2486480, 3854044, 4817555, 7708088, 9635110, 15416176, 19270220, 38540440, 77080880]

約数ペア:

[(1, 77080880), (2, 38540440), (4, 19270220), (5, 15416176), (8, 9635110), (10, 7708088), (16, 4817555), (20, 3854044), (31, 2486480), (40, 1927022), (62, 1243240), (80, 963511), (124, 621620), (155, 497296), (248, 310810), (310, 248648), (496, 155405), (620, 124324), (1240, 62162), (2480, 31081)]