31727980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 37461140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 467, 790, 860, 934, 1580, 1868, 2335, 3397, 4670, 6794, 9340, 13588, 16985, 20081, 33970, 36893, 40162, 67940, 73786, 80324, 100405, 147572, 184465, 200810, 368930, 401620, 737860, 1586399, 3172798, 6345596, 7931995, 15863990, 31727980]

約数ペア:

[(1, 31727980), (2, 15863990), (4, 7931995), (5, 6345596), (10, 3172798), (20, 1586399), (43, 737860), (79, 401620), (86, 368930), (158, 200810), (172, 184465), (215, 147572), (316, 100405), (395, 80324), (430, 73786), (467, 67940), (790, 40162), (860, 36893), (934, 33970), (1580, 20081), (1868, 16985), (2335, 13588), (3397, 9340), (4670, 6794)]