130815260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 289396800

約数和(自身を除く): 158581540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 2609, 5014, 5218, 10028, 10436, 12535, 13045, 25070, 26090, 50140, 52180, 60007, 120014, 240028, 284381, 300035, 568762, 600070, 1137524, 1200140, 1421905, 2843810, 5687620, 6540763, 13081526, 26163052, 32703815, 65407630, 130815260]

約数ペア:

[(1, 130815260), (2, 65407630), (4, 32703815), (5, 26163052), (10, 13081526), (20, 6540763), (23, 5687620), (46, 2843810), (92, 1421905), (109, 1200140), (115, 1137524), (218, 600070), (230, 568762), (436, 300035), (460, 284381), (545, 240028), (1090, 120014), (2180, 60007), (2507, 52180), (2609, 50140), (5014, 26090), (5218, 25070), (10028, 13045), (10436, 12535)]