2018701880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{6481}}^1$

素因数の和:7104

約数の個数: 64

約数和(自身を含む): 4900392000

約数和(自身を除く): 2881690120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 599, 1198, 2396, 2995, 4792, 5990, 6481, 7787, 11980, 12962, 15574, 23960, 25924, 31148, 32405, 38935, 51848, 62296, 64810, 77870, 84253, 129620, 155740, 168506, 259240, 311480, 337012, 421265, 674024, 842530, 1685060, 3370120, 3882119, 7764238, 15528476, 19410595, 31056952, 38821190, 50467547, 77642380, 100935094, 155284760, 201870188, 252337735, 403740376, 504675470, 1009350940, 2018701880]

約数ペア:

[(1, 2018701880), (2, 1009350940), (4, 504675470), (5, 403740376), (8, 252337735), (10, 201870188), (13, 155284760), (20, 100935094), (26, 77642380), (40, 50467547), (52, 38821190), (65, 31056952), (104, 19410595), (130, 15528476), (260, 7764238), (520, 3882119), (599, 3370120), (1198, 1685060), (2396, 842530), (2995, 674024), (4792, 421265), (5990, 337012), (6481, 311480), (7787, 259240), (11980, 168506), (12962, 155740), (15574, 129620), (23960, 84253), (25924, 77870), (31148, 64810), (32405, 62296), (38935, 51848)]