15889250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4919

約数の個数: 32

約数和(自身を含む): 32039280

約数和(自身を除く): 16150030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 4889, 9778, 24445, 48890, 63557, 122225, 127114, 244450, 317785, 611125, 635570, 1222250, 1588925, 3177850, 7944625, 15889250]

約数ペア:

[(1, 15889250), (2, 7944625), (5, 3177850), (10, 1588925), (13, 1222250), (25, 635570), (26, 611125), (50, 317785), (65, 244450), (125, 127114), (130, 122225), (250, 63557), (325, 48890), (650, 24445), (1625, 9778), (3250, 4889)]