65669540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 75853660

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 467, 790, 890, 934, 1580, 1780, 1868, 2335, 4670, 7031, 9340, 14062, 28124, 35155, 36893, 41563, 70310, 73786, 83126, 140620, 147572, 166252, 184465, 207815, 368930, 415630, 737860, 831260, 3283477, 6566954, 13133908, 16417385, 32834770, 65669540]

約数ペア:

[(1, 65669540), (2, 32834770), (4, 16417385), (5, 13133908), (10, 6566954), (20, 3283477), (79, 831260), (89, 737860), (158, 415630), (178, 368930), (316, 207815), (356, 184465), (395, 166252), (445, 147572), (467, 140620), (790, 83126), (890, 73786), (934, 70310), (1580, 41563), (1780, 36893), (1868, 35155), (2335, 28124), (4670, 14062), (7031, 9340)]