158261680

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6361}}^1$

素因数の和:6685

約数の個数: 40

約数和(自身を含む): 369199584

約数和(自身を除く): 210937904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 6361, 12440, 12722, 24880, 25444, 31805, 50888, 63610, 101776, 127220, 254440, 508880, 1978271, 3956542, 7913084, 9891355, 15826168, 19782710, 31652336, 39565420, 79130840, 158261680]

約数ペア:

[(1, 158261680), (2, 79130840), (4, 39565420), (5, 31652336), (8, 19782710), (10, 15826168), (16, 9891355), (20, 7913084), (40, 3956542), (80, 1978271), (311, 508880), (622, 254440), (1244, 127220), (1555, 101776), (2488, 63610), (3110, 50888), (4976, 31805), (6220, 25444), (6361, 24880), (12440, 12722)]