13917640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 34940160

約数和(自身を除く): 21022520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 673, 940, 1034, 1346, 1880, 2068, 2585, 2692, 3365, 4136, 5170, 5384, 6730, 7403, 10340, 13460, 14806, 20680, 26920, 29612, 31631, 37015, 59224, 63262, 74030, 126524, 148060, 158155, 253048, 296120, 316310, 347941, 632620, 695882, 1265240, 1391764, 1739705, 2783528, 3479410, 6958820, 13917640]

約数ペア:

[(1, 13917640), (2, 6958820), (4, 3479410), (5, 2783528), (8, 1739705), (10, 1391764), (11, 1265240), (20, 695882), (22, 632620), (40, 347941), (44, 316310), (47, 296120), (55, 253048), (88, 158155), (94, 148060), (110, 126524), (188, 74030), (220, 63262), (235, 59224), (376, 37015), (440, 31631), (470, 29612), (517, 26920), (673, 20680), (940, 14806), (1034, 13460), (1346, 10340), (1880, 7403), (2068, 6730), (2585, 5384), (2692, 5170), (3365, 4136)]