22381720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6287}}^1$

素因数の和:6387

約数の個数: 32

約数和(自身を含む): 50932800

約数和(自身を除く): 28551080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6287, 12574, 25148, 31435, 50296, 62870, 125740, 251480, 559543, 1119086, 2238172, 2797715, 4476344, 5595430, 11190860, 22381720]

約数ペア:

[(1, 22381720), (2, 11190860), (4, 5595430), (5, 4476344), (8, 2797715), (10, 2238172), (20, 1119086), (40, 559543), (89, 251480), (178, 125740), (356, 62870), (445, 50296), (712, 31435), (890, 25148), (1780, 12574), (3560, 6287)]