100979960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18427}}^1$

素因数の和:18575

約数の個数: 32

約数和(自身を含む): 228875760

約数和(自身を除く): 127895800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 18427, 36854, 73708, 92135, 147416, 184270, 368540, 737080, 2524499, 5048998, 10097996, 12622495, 20195992, 25244990, 50489980, 100979960]

約数ペア:

[(1, 100979960), (2, 50489980), (4, 25244990), (5, 20195992), (8, 12622495), (10, 10097996), (20, 5048998), (40, 2524499), (137, 737080), (274, 368540), (548, 184270), (685, 147416), (1096, 92135), (1370, 73708), (2740, 36854), (5480, 18427)]