7280920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{953}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 16485120

約数和(自身を除く): 9204200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 953, 955, 1528, 1906, 1910, 3812, 3820, 4765, 7624, 7640, 9530, 19060, 38120, 182023, 364046, 728092, 910115, 1456184, 1820230, 3640460, 7280920]

約数ペア:

[(1, 7280920), (2, 3640460), (4, 1820230), (5, 1456184), (8, 910115), (10, 728092), (20, 364046), (40, 182023), (191, 38120), (382, 19060), (764, 9530), (953, 7640), (955, 7624), (1528, 4765), (1906, 3820), (1910, 3812)]