1252806760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{287341}}^1$

素因数の和:287461

約数の個数: 32

約数和(自身を含む): 2844685800

約数和(自身を除く): 1591879040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 287341, 574682, 1149364, 1436705, 2298728, 2873410, 5746820, 11493640, 31320169, 62640338, 125280676, 156600845, 250561352, 313201690, 626403380, 1252806760]

約数ペア:

[(1, 1252806760), (2, 626403380), (4, 313201690), (5, 250561352), (8, 156600845), (10, 125280676), (20, 62640338), (40, 31320169), (109, 11493640), (218, 5746820), (436, 2873410), (545, 2298728), (872, 1436705), (1090, 1149364), (2180, 574682), (4360, 287341)]