12853300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1720

約数の個数: 36

約数和(自身を含む): 28262080

約数和(自身を除く): 15408780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1627, 1975, 3254, 3950, 6508, 7900, 8135, 16270, 32540, 40675, 81350, 128533, 162700, 257066, 514132, 642665, 1285330, 2570660, 3213325, 6426650, 12853300]

約数ペア:

[(1, 12853300), (2, 6426650), (4, 3213325), (5, 2570660), (10, 1285330), (20, 642665), (25, 514132), (50, 257066), (79, 162700), (100, 128533), (158, 81350), (316, 40675), (395, 32540), (790, 16270), (1580, 8135), (1627, 7900), (1975, 6508), (3254, 3950)]