7420120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1801}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 16866720

約数和(自身を除く): 9446600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1801, 2060, 3602, 4120, 7204, 9005, 14408, 18010, 36020, 72040, 185503, 371006, 742012, 927515, 1484024, 1855030, 3710060, 7420120]

約数ペア:

[(1, 7420120), (2, 3710060), (4, 1855030), (5, 1484024), (8, 927515), (10, 742012), (20, 371006), (40, 185503), (103, 72040), (206, 36020), (412, 18010), (515, 14408), (824, 9005), (1030, 7204), (1801, 4120), (2060, 3602)]