13255340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 32273472

約数和(自身を除く): 19018132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1297, 1460, 2044, 2555, 2594, 5110, 5188, 6485, 9079, 10220, 12970, 18158, 25940, 36316, 45395, 90790, 94681, 181580, 189362, 378724, 473405, 662767, 946810, 1325534, 1893620, 2651068, 3313835, 6627670, 13255340]

約数ペア:

[(1, 13255340), (2, 6627670), (4, 3313835), (5, 2651068), (7, 1893620), (10, 1325534), (14, 946810), (20, 662767), (28, 473405), (35, 378724), (70, 189362), (73, 181580), (140, 94681), (146, 90790), (292, 45395), (365, 36316), (511, 25940), (730, 18158), (1022, 12970), (1297, 10220), (1460, 9079), (2044, 6485), (2555, 5188), (2594, 5110)]