90750400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4398

約数の個数: 84

約数和(自身を含む): 240534952

約数和(自身を除く): 149784552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 4363, 5200, 8726, 10400, 17452, 20800, 21815, 34904, 43630, 56719, 69808, 87260, 109075, 113438, 139616, 174520, 218150, 226876, 279232, 283595, 349040, 436300, 453752, 567190, 698080, 872600, 907504, 1134380, 1396160, 1417975, 1745200, 1815008, 2268760, 2835950, 3490400, 3630016, 4537520, 5671900, 6980800, 9075040, 11343800, 18150080, 22687600, 45375200, 90750400]

約数ペア:

[(1, 90750400), (2, 45375200), (4, 22687600), (5, 18150080), (8, 11343800), (10, 9075040), (13, 6980800), (16, 5671900), (20, 4537520), (25, 3630016), (26, 3490400), (32, 2835950), (40, 2268760), (50, 1815008), (52, 1745200), (64, 1417975), (65, 1396160), (80, 1134380), (100, 907504), (104, 872600), (130, 698080), (160, 567190), (200, 453752), (208, 436300), (260, 349040), (320, 283595), (325, 279232), (400, 226876), (416, 218150), (520, 174520), (650, 139616), (800, 113438), (832, 109075), (1040, 87260), (1300, 69808), (1600, 56719), (2080, 43630), (2600, 34904), (4160, 21815), (4363, 20800), (5200, 17452), (8726, 10400)]