22891720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3511}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 51837120

約数和(自身を除く): 28945400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3511, 6520, 7022, 14044, 17555, 28088, 35110, 70220, 140440, 572293, 1144586, 2289172, 2861465, 4578344, 5722930, 11445860, 22891720]

約数ペア:

[(1, 22891720), (2, 11445860), (4, 5722930), (5, 4578344), (8, 2861465), (10, 2289172), (20, 1144586), (40, 572293), (163, 140440), (326, 70220), (652, 35110), (815, 28088), (1304, 17555), (1630, 14044), (3260, 7022), (3511, 6520)]