22750480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2731

約数の個数: 40

約数和(自身を含む): 53400600

約数和(自身を除く): 30650120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2609, 4360, 5218, 8720, 10436, 13045, 20872, 26090, 41744, 52180, 104360, 208720, 284381, 568762, 1137524, 1421905, 2275048, 2843810, 4550096, 5687620, 11375240, 22750480]

約数ペア:

[(1, 22750480), (2, 11375240), (4, 5687620), (5, 4550096), (8, 2843810), (10, 2275048), (16, 1421905), (20, 1137524), (40, 568762), (80, 284381), (109, 208720), (218, 104360), (436, 52180), (545, 41744), (872, 26090), (1090, 20872), (1744, 13045), (2180, 10436), (2609, 8720), (4360, 5218)]