77148520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14723}}^1$

素因数の和:14865

約数の個数: 32

約数和(自身を含む): 174921120

約数和(自身を除く): 97772600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 14723, 29446, 58892, 73615, 117784, 147230, 294460, 588920, 1928713, 3857426, 7714852, 9643565, 15429704, 19287130, 38574260, 77148520]

約数ペア:

[(1, 77148520), (2, 38574260), (4, 19287130), (5, 15429704), (8, 9643565), (10, 7714852), (20, 3857426), (40, 1928713), (131, 588920), (262, 294460), (524, 147230), (655, 117784), (1048, 73615), (1310, 58892), (2620, 29446), (5240, 14723)]