40243558

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 24

約数和(自身を含む): 64328040

約数和(自身を除く): 24084482

約数列:

[1, 2, 19, 38, 139, 278, 361, 401, 722, 802, 2641, 5282, 7619, 15238, 50179, 55739, 100358, 111478, 144761, 289522, 1059041, 2118082, 20121779, 40243558]

約数ペア:

[(1, 40243558), (2, 20121779), (19, 2118082), (38, 1059041), (139, 289522), (278, 144761), (361, 111478), (401, 100358), (722, 55739), (802, 50179), (2641, 15238), (5282, 7619)]