210003280

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{31627}}^1$

素因数の和:31723

約数の個数: 40

約数和(自身を含む): 494155872

約数和(自身を除く): 284152592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 31627, 63254, 126508, 158135, 253016, 316270, 506032, 632540, 1265080, 2530160, 2625041, 5250082, 10500164, 13125205, 21000328, 26250410, 42000656, 52500820, 105001640, 210003280]

約数ペア:

[(1, 210003280), (2, 105001640), (4, 52500820), (5, 42000656), (8, 26250410), (10, 21000328), (16, 13125205), (20, 10500164), (40, 5250082), (80, 2625041), (83, 2530160), (166, 1265080), (332, 632540), (415, 506032), (664, 316270), (830, 253016), (1328, 158135), (1660, 126508), (3320, 63254), (6640, 31627)]