120584920

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4703}}^1$

素因数の和:5355

約数の個数: 32

約数和(自身を含む): 271797120

約数和(自身を除く): 151212200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 4703, 5128, 6410, 9406, 12820, 18812, 23515, 25640, 37624, 47030, 94060, 188120, 3014623, 6029246, 12058492, 15073115, 24116984, 30146230, 60292460, 120584920]

約数ペア:

[(1, 120584920), (2, 60292460), (4, 30146230), (5, 24116984), (8, 15073115), (10, 12058492), (20, 6029246), (40, 3014623), (641, 188120), (1282, 94060), (2564, 47030), (3205, 37624), (4703, 25640), (5128, 23515), (6410, 18812), (9406, 12820)]