55445980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 123492096

約数和(自身を除く): 68046116

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 2417, 4588, 4834, 5735, 9668, 11470, 12085, 22940, 24170, 48340, 74927, 89429, 149854, 178858, 299708, 357716, 374635, 447145, 749270, 894290, 1498540, 1788580, 2772299, 5544598, 11089196, 13861495, 27722990, 55445980]

約数ペア:

[(1, 55445980), (2, 27722990), (4, 13861495), (5, 11089196), (10, 5544598), (20, 2772299), (31, 1788580), (37, 1498540), (62, 894290), (74, 749270), (124, 447145), (148, 374635), (155, 357716), (185, 299708), (310, 178858), (370, 149854), (620, 89429), (740, 74927), (1147, 48340), (2294, 24170), (2417, 22940), (4588, 12085), (4834, 11470), (5735, 9668)]