71312800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6890

約数の個数: 72

約数和(自身を含む): 187511436

約数和(自身を除く): 116198636

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 6857, 10400, 13714, 27428, 34285, 54856, 68570, 89141, 109712, 137140, 171425, 178282, 219424, 274280, 342850, 356564, 445705, 548560, 685700, 713128, 891410, 1097120, 1371400, 1426256, 1782820, 2228525, 2742800, 2852512, 3565640, 4457050, 5485600, 7131280, 8914100, 14262560, 17828200, 35656400, 71312800]

約数ペア:

[(1, 71312800), (2, 35656400), (4, 17828200), (5, 14262560), (8, 8914100), (10, 7131280), (13, 5485600), (16, 4457050), (20, 3565640), (25, 2852512), (26, 2742800), (32, 2228525), (40, 1782820), (50, 1426256), (52, 1371400), (65, 1097120), (80, 891410), (100, 713128), (104, 685700), (130, 548560), (160, 445705), (200, 356564), (208, 342850), (260, 274280), (325, 219424), (400, 178282), (416, 171425), (520, 137140), (650, 109712), (800, 89141), (1040, 68570), (1300, 54856), (2080, 34285), (2600, 27428), (5200, 13714), (6857, 10400)]