2238694520

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{87041}}^1$

素因数の和:87695

約数の個数: 32

約数和(自身を含む): 5044954320

約数和(自身を除く): 2806259800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 25720, 87041, 174082, 348164, 435205, 696328, 870410, 1740820, 3481640, 55967363, 111934726, 223869452, 279836815, 447738904, 559673630, 1119347260, 2238694520]

約数ペア:

[(1, 2238694520), (2, 1119347260), (4, 559673630), (5, 447738904), (8, 279836815), (10, 223869452), (20, 111934726), (40, 55967363), (643, 3481640), (1286, 1740820), (2572, 870410), (3215, 696328), (5144, 435205), (6430, 348164), (12860, 174082), (25720, 87041)]