64881200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8537}}^1$

素因数の和:8574

約数の個数: 60

約数和(自身を含む): 164100360

約数和(自身を除く): 99219160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 8537, 17074, 34148, 42685, 68296, 85370, 136592, 162203, 170740, 213425, 324406, 341480, 426850, 648812, 682960, 811015, 853700, 1297624, 1622030, 1707400, 2595248, 3244060, 3414800, 4055075, 6488120, 8110150, 12976240, 16220300, 32440600, 64881200]

約数ペア:

[(1, 64881200), (2, 32440600), (4, 16220300), (5, 12976240), (8, 8110150), (10, 6488120), (16, 4055075), (19, 3414800), (20, 3244060), (25, 2595248), (38, 1707400), (40, 1622030), (50, 1297624), (76, 853700), (80, 811015), (95, 682960), (100, 648812), (152, 426850), (190, 341480), (200, 324406), (304, 213425), (380, 170740), (400, 162203), (475, 136592), (760, 85370), (950, 68296), (1520, 42685), (1900, 34148), (3800, 17074), (7600, 8537)]