45040000

素因数分解:

$2^7\times 5^4\times {\mathrm{563}}^1$

素因数の和:597

約数の個数: 80

約数和(自身を含む): 112323420

約数和(自身を除く): 67283420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 563, 625, 640, 800, 1000, 1126, 1250, 1600, 2000, 2252, 2500, 2815, 3200, 4000, 4504, 5000, 5630, 8000, 9008, 10000, 11260, 14075, 16000, 18016, 20000, 22520, 28150, 36032, 40000, 45040, 56300, 70375, 72064, 80000, 90080, 112600, 140750, 180160, 225200, 281500, 351875, 360320, 450400, 563000, 703750, 900800, 1126000, 1407500, 1801600, 2252000, 2815000, 4504000, 5630000, 9008000, 11260000, 22520000, 45040000]

約数ペア:

[(1, 45040000), (2, 22520000), (4, 11260000), (5, 9008000), (8, 5630000), (10, 4504000), (16, 2815000), (20, 2252000), (25, 1801600), (32, 1407500), (40, 1126000), (50, 900800), (64, 703750), (80, 563000), (100, 450400), (125, 360320), (128, 351875), (160, 281500), (200, 225200), (250, 180160), (320, 140750), (400, 112600), (500, 90080), (563, 80000), (625, 72064), (640, 70375), (800, 56300), (1000, 45040), (1126, 40000), (1250, 36032), (1600, 28150), (2000, 22520), (2252, 20000), (2500, 18016), (2815, 16000), (3200, 14075), (4000, 11260), (4504, 10000), (5000, 9008), (5630, 8000)]