8616400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1688

約数の個数: 60

約数和(自身を含む): 22306732

約数和(自身を除く): 13690332

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1657, 2600, 3314, 5200, 6628, 8285, 13256, 16570, 21541, 26512, 33140, 41425, 43082, 66280, 82850, 86164, 107705, 132560, 165700, 172328, 215410, 331400, 344656, 430820, 538525, 662800, 861640, 1077050, 1723280, 2154100, 4308200, 8616400]

約数ペア:

[(1, 8616400), (2, 4308200), (4, 2154100), (5, 1723280), (8, 1077050), (10, 861640), (13, 662800), (16, 538525), (20, 430820), (25, 344656), (26, 331400), (40, 215410), (50, 172328), (52, 165700), (65, 132560), (80, 107705), (100, 86164), (104, 82850), (130, 66280), (200, 43082), (208, 41425), (260, 33140), (325, 26512), (400, 21541), (520, 16570), (650, 13256), (1040, 8285), (1300, 6628), (1657, 5200), (2600, 3314)]