53161480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 122958000

約数和(自身を除く): 69796520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 137, 178, 218, 274, 356, 436, 445, 545, 548, 685, 712, 872, 890, 1090, 1096, 1370, 1780, 2180, 2740, 3560, 4360, 5480, 9701, 12193, 14933, 19402, 24386, 29866, 38804, 48505, 48772, 59732, 60965, 74665, 77608, 97010, 97544, 119464, 121930, 149330, 194020, 243860, 298660, 388040, 487720, 597320, 1329037, 2658074, 5316148, 6645185, 10632296, 13290370, 26580740, 53161480]

約数ペア:

[(1, 53161480), (2, 26580740), (4, 13290370), (5, 10632296), (8, 6645185), (10, 5316148), (20, 2658074), (40, 1329037), (89, 597320), (109, 487720), (137, 388040), (178, 298660), (218, 243860), (274, 194020), (356, 149330), (436, 121930), (445, 119464), (545, 97544), (548, 97010), (685, 77608), (712, 74665), (872, 60965), (890, 59732), (1090, 48772), (1096, 48505), (1370, 38804), (1780, 29866), (2180, 24386), (2740, 19402), (3560, 14933), (4360, 12193), (5480, 9701)]