1252808860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1\times {\mathrm{1237}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 2670514560

約数和(自身を除く): 1417705700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 641, 790, 1237, 1282, 1580, 2474, 2564, 3205, 4948, 6185, 6410, 12370, 12820, 24740, 50639, 97723, 101278, 195446, 202556, 253195, 390892, 488615, 506390, 792917, 977230, 1012780, 1585834, 1954460, 3171668, 3964585, 7929170, 15858340, 62640443, 125280886, 250561772, 313202215, 626404430, 1252808860]

約数ペア:

[(1, 1252808860), (2, 626404430), (4, 313202215), (5, 250561772), (10, 125280886), (20, 62640443), (79, 15858340), (158, 7929170), (316, 3964585), (395, 3171668), (641, 1954460), (790, 1585834), (1237, 1012780), (1282, 977230), (1580, 792917), (2474, 506390), (2564, 488615), (3205, 390892), (4948, 253195), (6185, 202556), (6410, 195446), (12370, 101278), (12820, 97723), (24740, 50639)]