16488920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{58889}}^1$

素因数の和:58907

約数の個数: 32

約数和(自身を含む): 42400800

約数和(自身を除く): 25911880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 58889, 117778, 235556, 294445, 412223, 471112, 588890, 824446, 1177780, 1648892, 2061115, 2355560, 3297784, 4122230, 8244460, 16488920]

約数ペア:

[(1, 16488920), (2, 8244460), (4, 4122230), (5, 3297784), (7, 2355560), (8, 2061115), (10, 1648892), (14, 1177780), (20, 824446), (28, 588890), (35, 471112), (40, 412223), (56, 294445), (70, 235556), (140, 117778), (280, 58889)]