66172540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67523}}^1$

素因数の和:67546

約数の個数: 36

約数和(自身を含む): 161652456

約数和(自身を除く): 95479916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67523, 135046, 270092, 337615, 472661, 675230, 945322, 1350460, 1890644, 2363305, 3308627, 4726610, 6617254, 9453220, 13234508, 16543135, 33086270, 66172540]

約数ペア:

[(1, 66172540), (2, 33086270), (4, 16543135), (5, 13234508), (7, 9453220), (10, 6617254), (14, 4726610), (20, 3308627), (28, 2363305), (35, 1890644), (49, 1350460), (70, 945322), (98, 675230), (140, 472661), (196, 337615), (245, 270092), (490, 135046), (980, 67523)]