898408040

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{23131}}^1$

素因数の和:24113

約数の個数: 32

約数和(自身を含む): 2023587360

約数和(自身を除く): 1125179320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 23131, 38840, 46262, 92524, 115655, 185048, 231310, 462620, 925240, 22460201, 44920402, 89840804, 112301005, 179681608, 224602010, 449204020, 898408040]

約数ペア:

[(1, 898408040), (2, 449204020), (4, 224602010), (5, 179681608), (8, 112301005), (10, 89840804), (20, 44920402), (40, 22460201), (971, 925240), (1942, 462620), (3884, 231310), (4855, 185048), (7768, 115655), (9710, 92524), (19420, 46262), (23131, 38840)]