90545720

素因数分解:

$2^3\times 5^1\times {\mathrm{2263643}}^1$

素因数の和:2263654

約数の個数: 16

約数和(自身を含む): 203727960

約数和(自身を除く): 113182240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2263643, 4527286, 9054572, 11318215, 18109144, 22636430, 45272860, 90545720]

約数ペア:

[(1, 90545720), (2, 45272860), (4, 22636430), (5, 18109144), (8, 11318215), (10, 9054572), (20, 4527286), (40, 2263643)]