31703660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^3$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 71209152

約数和(自身を除く): 39505492

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1681, 1886, 3362, 3772, 4715, 6724, 8405, 9430, 16810, 18860, 33620, 38663, 68921, 77326, 137842, 154652, 193315, 275684, 344605, 386630, 689210, 773260, 1378420, 1585183, 3170366, 6340732, 7925915, 15851830, 31703660]

約数ペア:

[(1, 31703660), (2, 15851830), (4, 7925915), (5, 6340732), (10, 3170366), (20, 1585183), (23, 1378420), (41, 773260), (46, 689210), (82, 386630), (92, 344605), (115, 275684), (164, 193315), (205, 154652), (230, 137842), (410, 77326), (460, 68921), (820, 38663), (943, 33620), (1681, 18860), (1886, 16810), (3362, 9430), (3772, 8405), (4715, 6724)]