56731040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20857}}^1$

素因数の和:20889

約数の個数: 48

約数和(自身を含む): 141917832

約数和(自身を除く): 85186792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20857, 41714, 83428, 104285, 166856, 208570, 333712, 354569, 417140, 667424, 709138, 834280, 1418276, 1668560, 1772845, 2836552, 3337120, 3545690, 5673104, 7091380, 11346208, 14182760, 28365520, 56731040]

約数ペア:

[(1, 56731040), (2, 28365520), (4, 14182760), (5, 11346208), (8, 7091380), (10, 5673104), (16, 3545690), (17, 3337120), (20, 2836552), (32, 1772845), (34, 1668560), (40, 1418276), (68, 834280), (80, 709138), (85, 667424), (136, 417140), (160, 354569), (170, 333712), (272, 208570), (340, 166856), (544, 104285), (680, 83428), (1360, 41714), (2720, 20857)]