28922720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 68811120

約数和(自身を除く): 39888400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1109, 1304, 1630, 2218, 2608, 3260, 4436, 5216, 5545, 6520, 8872, 11090, 13040, 17744, 22180, 26080, 35488, 44360, 88720, 177440, 180767, 361534, 723068, 903835, 1446136, 1807670, 2892272, 3615340, 5784544, 7230680, 14461360, 28922720]

約数ペア:

[(1, 28922720), (2, 14461360), (4, 7230680), (5, 5784544), (8, 3615340), (10, 2892272), (16, 1807670), (20, 1446136), (32, 903835), (40, 723068), (80, 361534), (160, 180767), (163, 177440), (326, 88720), (652, 44360), (815, 35488), (1109, 26080), (1304, 22180), (1630, 17744), (2218, 13040), (2608, 11090), (3260, 8872), (4436, 6520), (5216, 5545)]