66021620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67369}}^1$

素因数の和:67392

約数の個数: 36

約数和(自身を含む): 161283780

約数和(自身を除く): 95262160

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67369, 134738, 269476, 336845, 471583, 673690, 943166, 1347380, 1886332, 2357915, 3301081, 4715830, 6602162, 9431660, 13204324, 16505405, 33010810, 66021620]

約数ペア:

[(1, 66021620), (2, 33010810), (4, 16505405), (5, 13204324), (7, 9431660), (10, 6602162), (14, 4715830), (20, 3301081), (28, 2357915), (35, 1886332), (49, 1347380), (70, 943166), (98, 673690), (140, 471583), (196, 336845), (245, 269476), (490, 134738), (980, 67369)]