7742800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1520

約数の個数: 60

約数和(自身を含む): 20046460

約数和(自身を除く): 12303660

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, 1489, 2600, 2978, 5200, 5956, 7445, 11912, 14890, 19357, 23824, 29780, 37225, 38714, 59560, 74450, 77428, 96785, 119120, 148900, 154856, 193570, 297800, 309712, 387140, 483925, 595600, 774280, 967850, 1548560, 1935700, 3871400, 7742800]

約数ペア:

[(1, 7742800), (2, 3871400), (4, 1935700), (5, 1548560), (8, 967850), (10, 774280), (13, 595600), (16, 483925), (20, 387140), (25, 309712), (26, 297800), (40, 193570), (50, 154856), (52, 148900), (65, 119120), (80, 96785), (100, 77428), (104, 74450), (130, 59560), (200, 38714), (208, 37225), (260, 29780), (325, 23824), (400, 19357), (520, 14890), (650, 11912), (1040, 7445), (1300, 5956), (1489, 5200), (2600, 2978)]