7946440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 17972280

約数和(自身を除く): 10025840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 773, 1028, 1285, 1546, 2056, 2570, 3092, 3865, 5140, 6184, 7730, 10280, 15460, 30920, 198661, 397322, 794644, 993305, 1589288, 1986610, 3973220, 7946440]

約数ペア:

[(1, 7946440), (2, 3973220), (4, 1986610), (5, 1589288), (8, 993305), (10, 794644), (20, 397322), (40, 198661), (257, 30920), (514, 15460), (773, 10280), (1028, 7730), (1285, 6184), (1546, 5140), (2056, 3865), (2570, 3092)]