18077920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16141}}^1$

素因数の和:16163

約数の個数: 48

約数和(自身を含む): 48813408

約数和(自身を除く): 30735488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16141, 32282, 64564, 80705, 112987, 129128, 161410, 225974, 258256, 322820, 451948, 516512, 564935, 645640, 903896, 1129870, 1291280, 1807792, 2259740, 2582560, 3615584, 4519480, 9038960, 18077920]

約数ペア:

[(1, 18077920), (2, 9038960), (4, 4519480), (5, 3615584), (7, 2582560), (8, 2259740), (10, 1807792), (14, 1291280), (16, 1129870), (20, 903896), (28, 645640), (32, 564935), (35, 516512), (40, 451948), (56, 322820), (70, 258256), (80, 225974), (112, 161410), (140, 129128), (160, 112987), (224, 80705), (280, 64564), (560, 32282), (1120, 16141)]