61539280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69931}}^1$

素因数の和:69955

約数の個数: 40

約数和(自身を含む): 156088224

約数和(自身を除く): 94548944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 69931, 139862, 279724, 349655, 559448, 699310, 769241, 1118896, 1398620, 1538482, 2797240, 3076964, 3846205, 5594480, 6153928, 7692410, 12307856, 15384820, 30769640, 61539280]

約数ペア:

[(1, 61539280), (2, 30769640), (4, 15384820), (5, 12307856), (8, 7692410), (10, 6153928), (11, 5594480), (16, 3846205), (20, 3076964), (22, 2797240), (40, 1538482), (44, 1398620), (55, 1118896), (80, 769241), (88, 699310), (110, 559448), (176, 349655), (220, 279724), (440, 139862), (880, 69931)]