51383660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 111428352

約数和(自身を除く): 60044692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 223, 281, 410, 446, 562, 820, 892, 1115, 1124, 1405, 2230, 2810, 4460, 5620, 9143, 11521, 18286, 23042, 36572, 45715, 46084, 57605, 62663, 91430, 115210, 125326, 182860, 230420, 250652, 313315, 626630, 1253260, 2569183, 5138366, 10276732, 12845915, 25691830, 51383660]

約数ペア:

[(1, 51383660), (2, 25691830), (4, 12845915), (5, 10276732), (10, 5138366), (20, 2569183), (41, 1253260), (82, 626630), (164, 313315), (205, 250652), (223, 230420), (281, 182860), (410, 125326), (446, 115210), (562, 91430), (820, 62663), (892, 57605), (1115, 46084), (1124, 45715), (1405, 36572), (2230, 23042), (2810, 18286), (4460, 11521), (5620, 9143)]