51485162240

素因数分解:

$2^8\times 5^1\times {\mathrm{787}}^1\times {\mathrm{51109}}^1$

素因数の和:51917

約数の個数: 72

約数和(自身を含む): 123482168880

約数和(自身を除く): 71997006640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 787, 1280, 1574, 3148, 3935, 6296, 7870, 12592, 15740, 25184, 31480, 50368, 51109, 62960, 100736, 102218, 125920, 201472, 204436, 251840, 255545, 408872, 503680, 511090, 817744, 1007360, 1022180, 1635488, 2044360, 3270976, 4088720, 6541952, 8177440, 13083904, 16354880, 32709760, 40222783, 65419520, 80445566, 160891132, 201113915, 321782264, 402227830, 643564528, 804455660, 1287129056, 1608911320, 2574258112, 3217822640, 5148516224, 6435645280, 10297032448, 12871290560, 25742581120, 51485162240]

約数ペア:

[(1, 51485162240), (2, 25742581120), (4, 12871290560), (5, 10297032448), (8, 6435645280), (10, 5148516224), (16, 3217822640), (20, 2574258112), (32, 1608911320), (40, 1287129056), (64, 804455660), (80, 643564528), (128, 402227830), (160, 321782264), (256, 201113915), (320, 160891132), (640, 80445566), (787, 65419520), (1280, 40222783), (1574, 32709760), (3148, 16354880), (3935, 13083904), (6296, 8177440), (7870, 6541952), (12592, 4088720), (15740, 3270976), (25184, 2044360), (31480, 1635488), (50368, 1022180), (51109, 1007360), (62960, 817744), (100736, 511090), (102218, 503680), (125920, 408872), (201472, 255545), (204436, 251840)]