203422040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38821}}^1$

素因数の和:38963

約数の個数: 32

約数和(自身を含む): 461205360

約数和(自身を除く): 257783320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 38821, 77642, 155284, 194105, 310568, 388210, 776420, 1552840, 5085551, 10171102, 20342204, 25427755, 40684408, 50855510, 101711020, 203422040]

約数ペア:

[(1, 203422040), (2, 101711020), (4, 50855510), (5, 40684408), (8, 25427755), (10, 20342204), (20, 10171102), (40, 5085551), (131, 1552840), (262, 776420), (524, 388210), (655, 310568), (1048, 194105), (1310, 155284), (2620, 77642), (5240, 38821)]