87364520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27647}}^1$

素因数の和:27737

約数の個数: 32

約数和(自身を含む): 199065600

約数和(自身を除く): 111701080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27647, 55294, 110588, 138235, 221176, 276470, 552940, 1105880, 2184113, 4368226, 8736452, 10920565, 17472904, 21841130, 43682260, 87364520]

約数ペア:

[(1, 87364520), (2, 43682260), (4, 21841130), (5, 17472904), (8, 10920565), (10, 8736452), (20, 4368226), (40, 2184113), (79, 1105880), (158, 552940), (316, 276470), (395, 221176), (632, 138235), (790, 110588), (1580, 55294), (3160, 27647)]