82489760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16631}}^1$

素因数の和:16677

約数の個数: 48

約数和(自身を含む): 201180672

約数和(自身を除く): 118690912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16631, 33262, 66524, 83155, 133048, 166310, 266096, 332620, 515561, 532192, 665240, 1031122, 1330480, 2062244, 2577805, 2660960, 4124488, 5155610, 8248976, 10311220, 16497952, 20622440, 41244880, 82489760]

約数ペア:

[(1, 82489760), (2, 41244880), (4, 20622440), (5, 16497952), (8, 10311220), (10, 8248976), (16, 5155610), (20, 4124488), (31, 2660960), (32, 2577805), (40, 2062244), (62, 1330480), (80, 1031122), (124, 665240), (155, 532192), (160, 515561), (248, 332620), (310, 266096), (496, 166310), (620, 133048), (992, 83155), (1240, 66524), (2480, 33262), (4960, 16631)]