8873720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 20103120

約数和(自身を除く): 11229400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1361, 1630, 2722, 3260, 5444, 6520, 6805, 10888, 13610, 27220, 54440, 221843, 443686, 887372, 1109215, 1774744, 2218430, 4436860, 8873720]

約数ペア:

[(1, 8873720), (2, 4436860), (4, 2218430), (5, 1774744), (8, 1109215), (10, 887372), (20, 443686), (40, 221843), (163, 54440), (326, 27220), (652, 13610), (815, 10888), (1304, 6805), (1361, 6520), (1630, 5444), (2722, 3260)]