56054920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 130111920

約数和(自身を除く): 74057000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 137, 193, 212, 265, 274, 386, 424, 530, 548, 685, 772, 965, 1060, 1096, 1370, 1544, 1930, 2120, 2740, 3860, 5480, 7261, 7720, 10229, 14522, 20458, 26441, 29044, 36305, 40916, 51145, 52882, 58088, 72610, 81832, 102290, 105764, 132205, 145220, 204580, 211528, 264410, 290440, 409160, 528820, 1057640, 1401373, 2802746, 5605492, 7006865, 11210984, 14013730, 28027460, 56054920]

約数ペア:

[(1, 56054920), (2, 28027460), (4, 14013730), (5, 11210984), (8, 7006865), (10, 5605492), (20, 2802746), (40, 1401373), (53, 1057640), (106, 528820), (137, 409160), (193, 290440), (212, 264410), (265, 211528), (274, 204580), (386, 145220), (424, 132205), (530, 105764), (548, 102290), (685, 81832), (772, 72610), (965, 58088), (1060, 52882), (1096, 51145), (1370, 40916), (1544, 36305), (1930, 29044), (2120, 26441), (2740, 20458), (3860, 14522), (5480, 10229), (7261, 7720)]