11485720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2843}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 26107920

約数和(自身を除く): 14622200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2843, 4040, 5686, 11372, 14215, 22744, 28430, 56860, 113720, 287143, 574286, 1148572, 1435715, 2297144, 2871430, 5742860, 11485720]

約数ペア:

[(1, 11485720), (2, 5742860), (4, 2871430), (5, 2297144), (8, 1435715), (10, 1148572), (20, 574286), (40, 287143), (101, 113720), (202, 56860), (404, 28430), (505, 22744), (808, 14215), (1010, 11372), (2020, 5686), (2843, 4040)]