51664000

素因数分解:

$2^7\times 5^3\times {\mathrm{3229}}^1$

素因数の和:3258

約数の個数: 64

約数和(自身を含む): 128489400

約数和(自身を除く): 76825400

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, 640, 800, 1000, 1600, 2000, 3200, 3229, 4000, 6458, 8000, 12916, 16000, 16145, 25832, 32290, 51664, 64580, 80725, 103328, 129160, 161450, 206656, 258320, 322900, 403625, 413312, 516640, 645800, 807250, 1033280, 1291600, 1614500, 2066560, 2583200, 3229000, 5166400, 6458000, 10332800, 12916000, 25832000, 51664000]

約数ペア:

[(1, 51664000), (2, 25832000), (4, 12916000), (5, 10332800), (8, 6458000), (10, 5166400), (16, 3229000), (20, 2583200), (25, 2066560), (32, 1614500), (40, 1291600), (50, 1033280), (64, 807250), (80, 645800), (100, 516640), (125, 413312), (128, 403625), (160, 322900), (200, 258320), (250, 206656), (320, 161450), (400, 129160), (500, 103328), (640, 80725), (800, 64580), (1000, 51664), (1600, 32290), (2000, 25832), (3200, 16145), (3229, 16000), (4000, 12916), (6458, 8000)]