8907080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2478

約数の個数: 64

約数和(自身を含む): 24675840

約数和(自身を除く): 15768760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2447, 3640, 4894, 9788, 12235, 17129, 19576, 24470, 31811, 34258, 48940, 63622, 68516, 85645, 97880, 127244, 137032, 159055, 171290, 222677, 254488, 318110, 342580, 445354, 636220, 685160, 890708, 1113385, 1272440, 1781416, 2226770, 4453540, 8907080]

約数ペア:

[(1, 8907080), (2, 4453540), (4, 2226770), (5, 1781416), (7, 1272440), (8, 1113385), (10, 890708), (13, 685160), (14, 636220), (20, 445354), (26, 342580), (28, 318110), (35, 254488), (40, 222677), (52, 171290), (56, 159055), (65, 137032), (70, 127244), (91, 97880), (104, 85645), (130, 68516), (140, 63622), (182, 48940), (260, 34258), (280, 31811), (364, 24470), (455, 19576), (520, 17129), (728, 12235), (910, 9788), (1820, 4894), (2447, 3640)]