81635000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 198217800

約数和(自身を除く): 116582800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 563, 580, 625, 725, 1000, 1126, 1160, 1250, 1450, 2252, 2500, 2815, 2900, 3625, 4504, 5000, 5630, 5800, 7250, 11260, 14075, 14500, 16327, 18125, 22520, 28150, 29000, 32654, 36250, 56300, 65308, 70375, 72500, 81635, 112600, 130616, 140750, 145000, 163270, 281500, 326540, 351875, 408175, 563000, 653080, 703750, 816350, 1407500, 1632700, 2040875, 2815000, 3265400, 4081750, 8163500, 10204375, 16327000, 20408750, 40817500, 81635000]

約数ペア:

[(1, 81635000), (2, 40817500), (4, 20408750), (5, 16327000), (8, 10204375), (10, 8163500), (20, 4081750), (25, 3265400), (29, 2815000), (40, 2040875), (50, 1632700), (58, 1407500), (100, 816350), (116, 703750), (125, 653080), (145, 563000), (200, 408175), (232, 351875), (250, 326540), (290, 281500), (500, 163270), (563, 145000), (580, 140750), (625, 130616), (725, 112600), (1000, 81635), (1126, 72500), (1160, 70375), (1250, 65308), (1450, 56300), (2252, 36250), (2500, 32654), (2815, 29000), (2900, 28150), (3625, 22520), (4504, 18125), (5000, 16327), (5630, 14500), (5800, 14075), (7250, 11260)]