284865640

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{10427}}^1$

素因数の和:11121

約数の個数: 32

約数和(自身を含む): 641947680

約数和(自身を除く): 357082040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 10427, 13660, 20854, 27320, 41708, 52135, 83416, 104270, 208540, 417080, 7121641, 14243282, 28486564, 35608205, 56973128, 71216410, 142432820, 284865640]

約数ペア:

[(1, 284865640), (2, 142432820), (4, 71216410), (5, 56973128), (8, 35608205), (10, 28486564), (20, 14243282), (40, 7121641), (683, 417080), (1366, 208540), (2732, 104270), (3415, 83416), (5464, 52135), (6830, 41708), (10427, 27320), (13660, 20854)]