6620000

素因数分解:

$2^5\times 5^4\times {\mathrm{331}}^1$

素因数の和:361

約数の個数: 60

約数和(自身を含む): 16335396

約数和(自身を除く): 9715396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 331, 400, 500, 625, 662, 800, 1000, 1250, 1324, 1655, 2000, 2500, 2648, 3310, 4000, 5000, 5296, 6620, 8275, 10000, 10592, 13240, 16550, 20000, 26480, 33100, 41375, 52960, 66200, 82750, 132400, 165500, 206875, 264800, 331000, 413750, 662000, 827500, 1324000, 1655000, 3310000, 6620000]

約数ペア:

[(1, 6620000), (2, 3310000), (4, 1655000), (5, 1324000), (8, 827500), (10, 662000), (16, 413750), (20, 331000), (25, 264800), (32, 206875), (40, 165500), (50, 132400), (80, 82750), (100, 66200), (125, 52960), (160, 41375), (200, 33100), (250, 26480), (331, 20000), (400, 16550), (500, 13240), (625, 10592), (662, 10000), (800, 8275), (1000, 6620), (1250, 5296), (1324, 5000), (1655, 4000), (2000, 3310), (2500, 2648)]