2257160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 5154840

約数和(自身を除く): 2897680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 773, 1460, 1546, 2920, 3092, 3865, 6184, 7730, 15460, 30920, 56429, 112858, 225716, 282145, 451432, 564290, 1128580, 2257160]

約数ペア:

[(1, 2257160), (2, 1128580), (4, 564290), (5, 451432), (8, 282145), (10, 225716), (20, 112858), (40, 56429), (73, 30920), (146, 15460), (292, 7730), (365, 6184), (584, 3865), (730, 3092), (773, 2920), (1460, 1546)]