11905000

素因数分解:

$2^3\times 5^4\times {\mathrm{2381}}^1$

素因数の和:2407

約数の個数: 40

約数和(自身を含む): 27905130

約数和(自身を除く): 16000130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2381, 2500, 4762, 5000, 9524, 11905, 19048, 23810, 47620, 59525, 95240, 119050, 238100, 297625, 476200, 595250, 1190500, 1488125, 2381000, 2976250, 5952500, 11905000]

約数ペア:

[(1, 11905000), (2, 5952500), (4, 2976250), (5, 2381000), (8, 1488125), (10, 1190500), (20, 595250), (25, 476200), (40, 297625), (50, 238100), (100, 119050), (125, 95240), (200, 59525), (250, 47620), (500, 23810), (625, 19048), (1000, 11905), (1250, 9524), (2381, 5000), (2500, 4762)]