91811960

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1613}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 206850240

約数和(自身を除く): 115038280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 1613, 2846, 3226, 5692, 6452, 7115, 8065, 11384, 12904, 14230, 16130, 28460, 32260, 56920, 64520, 2295299, 4590598, 9181196, 11476495, 18362392, 22952990, 45905980, 91811960]

約数ペア:

[(1, 91811960), (2, 45905980), (4, 22952990), (5, 18362392), (8, 11476495), (10, 9181196), (20, 4590598), (40, 2295299), (1423, 64520), (1613, 56920), (2846, 32260), (3226, 28460), (5692, 16130), (6452, 14230), (7115, 12904), (8065, 11384)]