20241520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19463}}^1$

素因数の和:19489

約数の個数: 40

約数和(自身を含む): 50684256

約数和(自身を除く): 30442736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19463, 38926, 77852, 97315, 155704, 194630, 253019, 311408, 389260, 506038, 778520, 1012076, 1265095, 1557040, 2024152, 2530190, 4048304, 5060380, 10120760, 20241520]

約数ペア:

[(1, 20241520), (2, 10120760), (4, 5060380), (5, 4048304), (8, 2530190), (10, 2024152), (13, 1557040), (16, 1265095), (20, 1012076), (26, 778520), (40, 506038), (52, 389260), (65, 311408), (80, 253019), (104, 194630), (130, 155704), (208, 97315), (260, 77852), (520, 38926), (1040, 19463)]