1420520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 3385800

約数和(自身を除く): 1965280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2089, 4178, 8356, 10445, 16712, 20890, 35513, 41780, 71026, 83560, 142052, 177565, 284104, 355130, 710260, 1420520]

約数ペア:

[(1, 1420520), (2, 710260), (4, 355130), (5, 284104), (8, 177565), (10, 142052), (17, 83560), (20, 71026), (34, 41780), (40, 35513), (68, 20890), (85, 16712), (136, 10445), (170, 8356), (340, 4178), (680, 2089)]