83967040

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1295

約数の個数: 56

約数和(自身を含む): 200921112

約数和(自身を除く): 116954072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1021, 1028, 1285, 2042, 2056, 2570, 4084, 4112, 5105, 5140, 8168, 8224, 10210, 10280, 16336, 16448, 20420, 20560, 32672, 40840, 41120, 65344, 81680, 82240, 163360, 262397, 326720, 524794, 1049588, 1311985, 2099176, 2623970, 4198352, 5247940, 8396704, 10495880, 16793408, 20991760, 41983520, 83967040]

約数ペア:

[(1, 83967040), (2, 41983520), (4, 20991760), (5, 16793408), (8, 10495880), (10, 8396704), (16, 5247940), (20, 4198352), (32, 2623970), (40, 2099176), (64, 1311985), (80, 1049588), (160, 524794), (257, 326720), (320, 262397), (514, 163360), (1021, 82240), (1028, 81680), (1285, 65344), (2042, 41120), (2056, 40840), (2570, 32672), (4084, 20560), (4112, 20420), (5105, 16448), (5140, 16336), (8168, 10280), (8224, 10210)]