85739980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{72661}}^1$

素因数の和:72729

約数の個数: 24

約数和(自身を含む): 183108240

約数和(自身を除く): 97368260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 72661, 145322, 290644, 363305, 726610, 1453220, 4286999, 8573998, 17147996, 21434995, 42869990, 85739980]

約数ペア:

[(1, 85739980), (2, 42869990), (4, 21434995), (5, 17147996), (10, 8573998), (20, 4286999), (59, 1453220), (118, 726610), (236, 363305), (295, 290644), (590, 145322), (1180, 72661)]