82494920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2543}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 185915520

約数和(自身を除く): 103420600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2543, 3244, 4055, 5086, 6488, 8110, 10172, 12715, 16220, 20344, 25430, 32440, 50860, 101720, 2062373, 4124746, 8249492, 10311865, 16498984, 20623730, 41247460, 82494920]

約数ペア:

[(1, 82494920), (2, 41247460), (4, 20623730), (5, 16498984), (8, 10311865), (10, 8249492), (20, 4124746), (40, 2062373), (811, 101720), (1622, 50860), (2543, 32440), (3244, 25430), (4055, 20344), (5086, 16220), (6488, 12715), (8110, 10172)]