8541220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7001}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 18233208

約数和(自身を除く): 9691988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 7001, 14002, 28004, 35005, 70010, 140020, 427061, 854122, 1708244, 2135305, 4270610, 8541220]

約数ペア:

[(1, 8541220), (2, 4270610), (4, 2135305), (5, 1708244), (10, 854122), (20, 427061), (61, 140020), (122, 70010), (244, 35005), (305, 28004), (610, 14002), (1220, 7001)]