23139980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 27179380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 206, 235, 239, 412, 470, 478, 515, 940, 956, 1030, 1195, 2060, 2390, 4780, 4841, 9682, 11233, 19364, 22466, 24205, 24617, 44932, 48410, 49234, 56165, 96820, 98468, 112330, 123085, 224660, 246170, 492340, 1156999, 2313998, 4627996, 5784995, 11569990, 23139980]

約数ペア:

[(1, 23139980), (2, 11569990), (4, 5784995), (5, 4627996), (10, 2313998), (20, 1156999), (47, 492340), (94, 246170), (103, 224660), (188, 123085), (206, 112330), (235, 98468), (239, 96820), (412, 56165), (470, 49234), (478, 48410), (515, 44932), (940, 24617), (956, 24205), (1030, 22466), (1195, 19364), (2060, 11233), (2390, 9682), (4780, 4841)]