64020740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 154151424

約数和(自身を除く): 90130684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1061, 1724, 2122, 2155, 3017, 4244, 4310, 5305, 6034, 7427, 8620, 10610, 12068, 14854, 15085, 21220, 29708, 30170, 37135, 60340, 74270, 148540, 457291, 914582, 1829164, 2286455, 3201037, 4572910, 6402074, 9145820, 12804148, 16005185, 32010370, 64020740]

約数ペア:

[(1, 64020740), (2, 32010370), (4, 16005185), (5, 12804148), (7, 9145820), (10, 6402074), (14, 4572910), (20, 3201037), (28, 2286455), (35, 1829164), (70, 914582), (140, 457291), (431, 148540), (862, 74270), (1061, 60340), (1724, 37135), (2122, 30170), (2155, 29708), (3017, 21220), (4244, 15085), (4310, 14854), (5305, 12068), (6034, 10610), (7427, 8620)]