78582020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 180629568

約数和(自身を除く): 102047548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 547, 653, 1094, 1306, 2188, 2612, 2735, 3265, 5470, 6017, 6530, 7183, 10940, 12034, 13060, 14366, 24068, 28732, 30085, 35915, 60170, 71830, 120340, 143660, 357191, 714382, 1428764, 1785955, 3571910, 3929101, 7143820, 7858202, 15716404, 19645505, 39291010, 78582020]

約数ペア:

[(1, 78582020), (2, 39291010), (4, 19645505), (5, 15716404), (10, 7858202), (11, 7143820), (20, 3929101), (22, 3571910), (44, 1785955), (55, 1428764), (110, 714382), (220, 357191), (547, 143660), (653, 120340), (1094, 71830), (1306, 60170), (2188, 35915), (2612, 30085), (2735, 28732), (3265, 24068), (5470, 14366), (6017, 13060), (6530, 12034), (7183, 10940)]