89785840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 223458912

約数和(自身を除く): 133673072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 617, 680, 856, 1070, 1234, 1360, 1712, 1819, 2140, 2468, 3085, 3638, 4280, 4936, 6170, 7276, 8560, 9095, 9872, 10489, 12340, 14552, 18190, 20978, 24680, 29104, 36380, 41956, 49360, 52445, 66019, 72760, 83912, 104890, 132038, 145520, 167824, 209780, 264076, 330095, 419560, 528152, 660190, 839120, 1056304, 1122323, 1320380, 2244646, 2640760, 4489292, 5281520, 5611615, 8978584, 11223230, 17957168, 22446460, 44892920, 89785840]

約数ペア:

[(1, 89785840), (2, 44892920), (4, 22446460), (5, 17957168), (8, 11223230), (10, 8978584), (16, 5611615), (17, 5281520), (20, 4489292), (34, 2640760), (40, 2244646), (68, 1320380), (80, 1122323), (85, 1056304), (107, 839120), (136, 660190), (170, 528152), (214, 419560), (272, 330095), (340, 264076), (428, 209780), (535, 167824), (617, 145520), (680, 132038), (856, 104890), (1070, 83912), (1234, 72760), (1360, 66019), (1712, 52445), (1819, 49360), (2140, 41956), (2468, 36380), (3085, 29104), (3638, 24680), (4280, 20978), (4936, 18190), (6170, 14552), (7276, 12340), (8560, 10489), (9095, 9872)]