81985600

素因数分解:

$2^6\times 5^2\times {\mathrm{51241}}^1$

素因数の和:51263

約数の個数: 42

約数和(自身を含む): 201739754

約数和(自身を除く): 119754154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 51241, 102482, 204964, 256205, 409928, 512410, 819856, 1024820, 1281025, 1639712, 2049640, 2562050, 3279424, 4099280, 5124100, 8198560, 10248200, 16397120, 20496400, 40992800, 81985600]

約数ペア:

[(1, 81985600), (2, 40992800), (4, 20496400), (5, 16397120), (8, 10248200), (10, 8198560), (16, 5124100), (20, 4099280), (25, 3279424), (32, 2562050), (40, 2049640), (50, 1639712), (64, 1281025), (80, 1024820), (100, 819856), (160, 512410), (200, 409928), (320, 256205), (400, 204964), (800, 102482), (1600, 51241)]