897520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 2249856

約数和(自身を除く): 1352336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 863, 1040, 1726, 3452, 4315, 6904, 8630, 11219, 13808, 17260, 22438, 34520, 44876, 56095, 69040, 89752, 112190, 179504, 224380, 448760, 897520]

約数ペア:

[(1, 897520), (2, 448760), (4, 224380), (5, 179504), (8, 112190), (10, 89752), (13, 69040), (16, 56095), (20, 44876), (26, 34520), (40, 22438), (52, 17260), (65, 13808), (80, 11219), (104, 8630), (130, 6904), (208, 4315), (260, 3452), (520, 1726), (863, 1040)]