27639640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{98713}}^1$

素因数の和:98731

約数の個数: 32

約数和(自身を含む): 71074080

約数和(自身を除く): 43434440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 98713, 197426, 394852, 493565, 690991, 789704, 987130, 1381982, 1974260, 2763964, 3454955, 3948520, 5527928, 6909910, 13819820, 27639640]

約数ペア:

[(1, 27639640), (2, 13819820), (4, 6909910), (5, 5527928), (7, 3948520), (8, 3454955), (10, 2763964), (14, 1974260), (20, 1381982), (28, 987130), (35, 789704), (40, 690991), (56, 493565), (70, 394852), (140, 197426), (280, 98713)]