22721360

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1487}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 53139456

約数和(自身を除く): 30418096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1487, 1528, 1910, 2974, 3056, 3820, 5948, 7435, 7640, 11896, 14870, 15280, 23792, 29740, 59480, 118960, 284017, 568034, 1136068, 1420085, 2272136, 2840170, 4544272, 5680340, 11360680, 22721360]

約数ペア:

[(1, 22721360), (2, 11360680), (4, 5680340), (5, 4544272), (8, 2840170), (10, 2272136), (16, 1420085), (20, 1136068), (40, 568034), (80, 284017), (191, 118960), (382, 59480), (764, 29740), (955, 23792), (1487, 15280), (1528, 14870), (1910, 11896), (2974, 7640), (3056, 7435), (3820, 5948)]