223868560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25673}}^1$

素因数の和:25795

約数の個数: 40

約数和(自身を含む): 525290040

約数和(自身を除く): 301421480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 25673, 51346, 102692, 128365, 205384, 256730, 410768, 513460, 1026920, 2053840, 2798357, 5596714, 11193428, 13991785, 22386856, 27983570, 44773712, 55967140, 111934280, 223868560]

約数ペア:

[(1, 223868560), (2, 111934280), (4, 55967140), (5, 44773712), (8, 27983570), (10, 22386856), (16, 13991785), (20, 11193428), (40, 5596714), (80, 2798357), (109, 2053840), (218, 1026920), (436, 513460), (545, 410768), (872, 256730), (1090, 205384), (1744, 128365), (2180, 102692), (4360, 51346), (8720, 25673)]