201376720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15443}}^1$

素因数の和:15619

約数の個数: 40

約数和(自身を含む): 471103776

約数和(自身を除く): 269727056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 15443, 30886, 61772, 77215, 123544, 154430, 247088, 308860, 617720, 1235440, 2517209, 5034418, 10068836, 12586045, 20137672, 25172090, 40275344, 50344180, 100688360, 201376720]

約数ペア:

[(1, 201376720), (2, 100688360), (4, 50344180), (5, 40275344), (8, 25172090), (10, 20137672), (16, 12586045), (20, 10068836), (40, 5034418), (80, 2517209), (163, 1235440), (326, 617720), (652, 308860), (815, 247088), (1304, 154430), (1630, 123544), (2608, 77215), (3260, 61772), (6520, 30886), (13040, 15443)]