99886720

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1725

約数の個数: 64

約数和(自身を含む): 241403400

約数和(自身を除く): 141516680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1609, 1940, 3104, 3218, 3880, 6208, 6436, 7760, 8045, 12416, 12872, 15520, 16090, 25744, 31040, 32180, 51488, 62080, 64360, 102976, 128720, 156073, 205952, 257440, 312146, 514880, 624292, 780365, 1029760, 1248584, 1560730, 2497168, 3121460, 4994336, 6242920, 9988672, 12485840, 19977344, 24971680, 49943360, 99886720]

約数ペア:

[(1, 99886720), (2, 49943360), (4, 24971680), (5, 19977344), (8, 12485840), (10, 9988672), (16, 6242920), (20, 4994336), (32, 3121460), (40, 2497168), (64, 1560730), (80, 1248584), (97, 1029760), (128, 780365), (160, 624292), (194, 514880), (320, 312146), (388, 257440), (485, 205952), (640, 156073), (776, 128720), (970, 102976), (1552, 64360), (1609, 62080), (1940, 51488), (3104, 32180), (3218, 31040), (3880, 25744), (6208, 16090), (6436, 15520), (7760, 12872), (8045, 12416)]