72769040

素因数分解:

$2^4\times 5^1\times {\mathrm{909613}}^1$

素因数の和:909626

約数の個数: 20

約数和(自身を含む): 169188204

約数和(自身を除く): 96419164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909613, 1819226, 3638452, 4548065, 7276904, 9096130, 14553808, 18192260, 36384520, 72769040]

約数ペア:

[(1, 72769040), (2, 36384520), (4, 18192260), (5, 14553808), (8, 9096130), (10, 7276904), (16, 4548065), (20, 3638452), (40, 1819226), (80, 909613)]