80966080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19463}}^1$

素因数の和:19493

約数の個数: 56

約数和(自身を含む): 207641952

約数和(自身を除く): 126675872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 19463, 38926, 77852, 97315, 155704, 194630, 253019, 311408, 389260, 506038, 622816, 778520, 1012076, 1245632, 1265095, 1557040, 2024152, 2530190, 3114080, 4048304, 5060380, 6228160, 8096608, 10120760, 16193216, 20241520, 40483040, 80966080]

約数ペア:

[(1, 80966080), (2, 40483040), (4, 20241520), (5, 16193216), (8, 10120760), (10, 8096608), (13, 6228160), (16, 5060380), (20, 4048304), (26, 3114080), (32, 2530190), (40, 2024152), (52, 1557040), (64, 1265095), (65, 1245632), (80, 1012076), (104, 778520), (130, 622816), (160, 506038), (208, 389260), (260, 311408), (320, 253019), (416, 194630), (520, 155704), (832, 97315), (1040, 77852), (2080, 38926), (4160, 19463)]