54261340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20399}}^1$

素因数の和:20434

約数の個数: 48

約数和(自身を含む): 137088000

約数和(自身を除く): 82826660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20399, 40798, 81596, 101995, 142793, 203990, 285586, 387581, 407980, 571172, 713965, 775162, 1427930, 1550324, 1937905, 2713067, 2855860, 3875810, 5426134, 7751620, 10852268, 13565335, 27130670, 54261340]

約数ペア:

[(1, 54261340), (2, 27130670), (4, 13565335), (5, 10852268), (7, 7751620), (10, 5426134), (14, 3875810), (19, 2855860), (20, 2713067), (28, 1937905), (35, 1550324), (38, 1427930), (70, 775162), (76, 713965), (95, 571172), (133, 407980), (140, 387581), (190, 285586), (266, 203990), (380, 142793), (532, 101995), (665, 81596), (1330, 40798), (2660, 20399)]