16201994080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2354941}}^1$

素因数の和:2354999

約数の個数: 48

約数和(自身を含む): 39167395344

約数和(自身を除く): 22965401264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 2354941, 4709882, 9419764, 11774705, 18839528, 23549410, 37679056, 47098820, 75358112, 94197640, 101262463, 188395280, 202524926, 376790560, 405049852, 506312315, 810099704, 1012624630, 1620199408, 2025249260, 3240398816, 4050498520, 8100997040, 16201994080]

約数ペア:

[(1, 16201994080), (2, 8100997040), (4, 4050498520), (5, 3240398816), (8, 2025249260), (10, 1620199408), (16, 1012624630), (20, 810099704), (32, 506312315), (40, 405049852), (43, 376790560), (80, 202524926), (86, 188395280), (160, 101262463), (172, 94197640), (215, 75358112), (344, 47098820), (430, 37679056), (688, 23549410), (860, 18839528), (1376, 11774705), (1720, 9419764), (3440, 4709882), (6880, 2354941)]