12247760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21871}}^1$

素因数の和:21891

約数の個数: 40

約数和(自身を含む): 32545536

約数和(自身を除く): 20297776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21871, 43742, 87484, 109355, 153097, 174968, 218710, 306194, 349936, 437420, 612388, 765485, 874840, 1224776, 1530970, 1749680, 2449552, 3061940, 6123880, 12247760]

約数ペア:

[(1, 12247760), (2, 6123880), (4, 3061940), (5, 2449552), (7, 1749680), (8, 1530970), (10, 1224776), (14, 874840), (16, 765485), (20, 612388), (28, 437420), (35, 349936), (40, 306194), (56, 218710), (70, 174968), (80, 153097), (112, 109355), (140, 87484), (280, 43742), (560, 21871)]