51286880

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4391}}^1$

素因数の和:4479

約数の個数: 48

約数和(自身を含む): 122853024

約数和(自身を除く): 71566144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 4391, 5840, 8782, 11680, 17564, 21955, 35128, 43910, 70256, 87820, 140512, 175640, 320543, 351280, 641086, 702560, 1282172, 1602715, 2564344, 3205430, 5128688, 6410860, 10257376, 12821720, 25643440, 51286880]

約数ペア:

[(1, 51286880), (2, 25643440), (4, 12821720), (5, 10257376), (8, 6410860), (10, 5128688), (16, 3205430), (20, 2564344), (32, 1602715), (40, 1282172), (73, 702560), (80, 641086), (146, 351280), (160, 320543), (292, 175640), (365, 140512), (584, 87820), (730, 70256), (1168, 43910), (1460, 35128), (2336, 21955), (2920, 17564), (4391, 11680), (5840, 8782)]