26480000

素因数分解:

$2^7\times 5^4\times {\mathrm{331}}^1$

素因数の和:365

約数の個数: 80

約数和(自身を含む): 66119460

約数和(自身を除く): 39639460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 331, 400, 500, 625, 640, 662, 800, 1000, 1250, 1324, 1600, 1655, 2000, 2500, 2648, 3200, 3310, 4000, 5000, 5296, 6620, 8000, 8275, 10000, 10592, 13240, 16000, 16550, 20000, 21184, 26480, 33100, 40000, 41375, 42368, 52960, 66200, 80000, 82750, 105920, 132400, 165500, 206875, 211840, 264800, 331000, 413750, 529600, 662000, 827500, 1059200, 1324000, 1655000, 2648000, 3310000, 5296000, 6620000, 13240000, 26480000]

約数ペア:

[(1, 26480000), (2, 13240000), (4, 6620000), (5, 5296000), (8, 3310000), (10, 2648000), (16, 1655000), (20, 1324000), (25, 1059200), (32, 827500), (40, 662000), (50, 529600), (64, 413750), (80, 331000), (100, 264800), (125, 211840), (128, 206875), (160, 165500), (200, 132400), (250, 105920), (320, 82750), (331, 80000), (400, 66200), (500, 52960), (625, 42368), (640, 41375), (662, 40000), (800, 33100), (1000, 26480), (1250, 21184), (1324, 20000), (1600, 16550), (1655, 16000), (2000, 13240), (2500, 10592), (2648, 10000), (3200, 8275), (3310, 8000), (4000, 6620), (5000, 5296)]