69381520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66713}}^1$

素因数の和:66739

約数の個数: 40

約数和(自身を含む): 173723256

約数和(自身を除く): 104341736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66713, 133426, 266852, 333565, 533704, 667130, 867269, 1067408, 1334260, 1734538, 2668520, 3469076, 4336345, 5337040, 6938152, 8672690, 13876304, 17345380, 34690760, 69381520]

約数ペア:

[(1, 69381520), (2, 34690760), (4, 17345380), (5, 13876304), (8, 8672690), (10, 6938152), (13, 5337040), (16, 4336345), (20, 3469076), (26, 2668520), (40, 1734538), (52, 1334260), (65, 1067408), (80, 867269), (104, 667130), (130, 533704), (208, 333565), (260, 266852), (520, 133426), (1040, 66713)]