27804542980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2549}}^1\times {\mathrm{8941}}^1$

素因数の和:11560

約数の個数: 48

約数和(自身を含む): 59376668400

約数和(自身を除く): 31572125420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2549, 5098, 8941, 10196, 12745, 17882, 25490, 35764, 44705, 50980, 89410, 155489, 178820, 310978, 545401, 621956, 777445, 1090802, 1554890, 2181604, 2727005, 3109780, 5454010, 10908020, 22790609, 45581218, 91162436, 113953045, 227906090, 455812180, 1390227149, 2780454298, 5560908596, 6951135745, 13902271490, 27804542980]

約数ペア:

[(1, 27804542980), (2, 13902271490), (4, 6951135745), (5, 5560908596), (10, 2780454298), (20, 1390227149), (61, 455812180), (122, 227906090), (244, 113953045), (305, 91162436), (610, 45581218), (1220, 22790609), (2549, 10908020), (5098, 5454010), (8941, 3109780), (10196, 2727005), (12745, 2181604), (17882, 1554890), (25490, 1090802), (35764, 777445), (44705, 621956), (50980, 545401), (89410, 310978), (155489, 178820)]