16609720

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1723}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 37548720

約数和(自身を除く): 20939000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1723, 1928, 2410, 3446, 4820, 6892, 8615, 9640, 13784, 17230, 34460, 68920, 415243, 830486, 1660972, 2076215, 3321944, 4152430, 8304860, 16609720]

約数ペア:

[(1, 16609720), (2, 8304860), (4, 4152430), (5, 3321944), (8, 2076215), (10, 1660972), (20, 830486), (40, 415243), (241, 68920), (482, 34460), (964, 17230), (1205, 13784), (1723, 9640), (1928, 8615), (2410, 6892), (3446, 4820)]