81635200

素因数分解:

$2^7\times 5^2\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 204518160

約数和(自身を除く): 122882960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 263, 320, 388, 400, 485, 526, 640, 776, 800, 970, 1052, 1315, 1552, 1600, 1940, 2104, 2425, 2630, 3104, 3200, 3880, 4208, 4850, 5260, 6208, 6575, 7760, 8416, 9700, 10520, 12416, 13150, 15520, 16832, 19400, 21040, 25511, 26300, 31040, 33664, 38800, 42080, 51022, 52600, 62080, 77600, 84160, 102044, 105200, 127555, 155200, 168320, 204088, 210400, 255110, 310400, 408176, 420800, 510220, 637775, 816352, 841600, 1020440, 1275550, 1632704, 2040880, 2551100, 3265408, 4081760, 5102200, 8163520, 10204400, 16327040, 20408800, 40817600, 81635200]

約数ペア:

[(1, 81635200), (2, 40817600), (4, 20408800), (5, 16327040), (8, 10204400), (10, 8163520), (16, 5102200), (20, 4081760), (25, 3265408), (32, 2551100), (40, 2040880), (50, 1632704), (64, 1275550), (80, 1020440), (97, 841600), (100, 816352), (128, 637775), (160, 510220), (194, 420800), (200, 408176), (263, 310400), (320, 255110), (388, 210400), (400, 204088), (485, 168320), (526, 155200), (640, 127555), (776, 105200), (800, 102044), (970, 84160), (1052, 77600), (1315, 62080), (1552, 52600), (1600, 51022), (1940, 42080), (2104, 38800), (2425, 33664), (2630, 31040), (3104, 26300), (3200, 25511), (3880, 21040), (4208, 19400), (4850, 16832), (5260, 15520), (6208, 13150), (6575, 12416), (7760, 10520), (8416, 9700)]