16485340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 36701280

約数和(自身を除く): 20215940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 661, 860, 1247, 1322, 2494, 2644, 3305, 4988, 6235, 6610, 12470, 13220, 19169, 24940, 28423, 38338, 56846, 76676, 95845, 113692, 142115, 191690, 284230, 383380, 568460, 824267, 1648534, 3297068, 4121335, 8242670, 16485340]

約数ペア:

[(1, 16485340), (2, 8242670), (4, 4121335), (5, 3297068), (10, 1648534), (20, 824267), (29, 568460), (43, 383380), (58, 284230), (86, 191690), (116, 142115), (145, 113692), (172, 95845), (215, 76676), (290, 56846), (430, 38338), (580, 28423), (661, 24940), (860, 19169), (1247, 13220), (1322, 12470), (2494, 6610), (2644, 6235), (3305, 4988)]