49665640

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1531}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 111958560

約数和(自身を除く): 62292920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1531, 1622, 3062, 3244, 4055, 6124, 6488, 7655, 8110, 12248, 15310, 16220, 30620, 32440, 61240, 1241641, 2483282, 4966564, 6208205, 9933128, 12416410, 24832820, 49665640]

約数ペア:

[(1, 49665640), (2, 24832820), (4, 12416410), (5, 9933128), (8, 6208205), (10, 4966564), (20, 2483282), (40, 1241641), (811, 61240), (1531, 32440), (1622, 30620), (3062, 16220), (3244, 15310), (4055, 12248), (6124, 8110), (6488, 7655)]