12496220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 16534180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 719, 790, 869, 1438, 1580, 1738, 2876, 3476, 3595, 4345, 7190, 7909, 8690, 14380, 15818, 17380, 31636, 39545, 56801, 79090, 113602, 158180, 227204, 284005, 568010, 624811, 1136020, 1249622, 2499244, 3124055, 6248110, 12496220]

約数ペア:

[(1, 12496220), (2, 6248110), (4, 3124055), (5, 2499244), (10, 1249622), (11, 1136020), (20, 624811), (22, 568010), (44, 284005), (55, 227204), (79, 158180), (110, 113602), (158, 79090), (220, 56801), (316, 39545), (395, 31636), (719, 17380), (790, 15818), (869, 14380), (1438, 8690), (1580, 7909), (1738, 7190), (2876, 4345), (3476, 3595)]