99947840

素因数分解:

$2^6\times 5^1\times {\mathrm{547}}^1\times {\mathrm{571}}^1$

素因数の和:1135

約数の個数: 56

約数和(自身を含む): 238853472

約数和(自身を除く): 138905632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 547, 571, 1094, 1142, 2188, 2284, 2735, 2855, 4376, 4568, 5470, 5710, 8752, 9136, 10940, 11420, 17504, 18272, 21880, 22840, 35008, 36544, 43760, 45680, 87520, 91360, 175040, 182720, 312337, 624674, 1249348, 1561685, 2498696, 3123370, 4997392, 6246740, 9994784, 12493480, 19989568, 24986960, 49973920, 99947840]

約数ペア:

[(1, 99947840), (2, 49973920), (4, 24986960), (5, 19989568), (8, 12493480), (10, 9994784), (16, 6246740), (20, 4997392), (32, 3123370), (40, 2498696), (64, 1561685), (80, 1249348), (160, 624674), (320, 312337), (547, 182720), (571, 175040), (1094, 91360), (1142, 87520), (2188, 45680), (2284, 43760), (2735, 36544), (2855, 35008), (4376, 22840), (4568, 21880), (5470, 18272), (5710, 17504), (8752, 11420), (9136, 10940)]