8225840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 22504512

約数和(自身を除く): 14278672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 397, 518, 560, 592, 740, 794, 1036, 1295, 1480, 1588, 1985, 2072, 2590, 2779, 2960, 3176, 3970, 4144, 5180, 5558, 6352, 7940, 10360, 11116, 13895, 14689, 15880, 20720, 22232, 27790, 29378, 31760, 44464, 55580, 58756, 73445, 102823, 111160, 117512, 146890, 205646, 222320, 235024, 293780, 411292, 514115, 587560, 822584, 1028230, 1175120, 1645168, 2056460, 4112920, 8225840]

約数ペア:

[(1, 8225840), (2, 4112920), (4, 2056460), (5, 1645168), (7, 1175120), (8, 1028230), (10, 822584), (14, 587560), (16, 514115), (20, 411292), (28, 293780), (35, 235024), (37, 222320), (40, 205646), (56, 146890), (70, 117512), (74, 111160), (80, 102823), (112, 73445), (140, 58756), (148, 55580), (185, 44464), (259, 31760), (280, 29378), (296, 27790), (370, 22232), (397, 20720), (518, 15880), (560, 14689), (592, 13895), (740, 11116), (794, 10360), (1036, 7940), (1295, 6352), (1480, 5558), (1588, 5180), (1985, 4144), (2072, 3970), (2590, 3176), (2779, 2960)]