78172960

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1571}}^1$

素因数の和:1897

約数の個数: 48

約数和(自身を含む): 185395392

約数和(自身を除く): 107222432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1571, 2488, 3110, 3142, 4976, 6220, 6284, 7855, 9952, 12440, 12568, 15710, 24880, 25136, 31420, 49760, 50272, 62840, 125680, 251360, 488581, 977162, 1954324, 2442905, 3908648, 4885810, 7817296, 9771620, 15634592, 19543240, 39086480, 78172960]

約数ペア:

[(1, 78172960), (2, 39086480), (4, 19543240), (5, 15634592), (8, 9771620), (10, 7817296), (16, 4885810), (20, 3908648), (32, 2442905), (40, 1954324), (80, 977162), (160, 488581), (311, 251360), (622, 125680), (1244, 62840), (1555, 50272), (1571, 49760), (2488, 31420), (3110, 25136), (3142, 24880), (4976, 15710), (6220, 12568), (6284, 12440), (7855, 9952)]