8220342980

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{253871}}^1$

素因数の和:255499

約数の個数: 24

約数和(自身を含む): 17273450880

約数和(自身を除く): 9053107900

約数列:

[1, 2, 4, 5, 10, 20, 1619, 3238, 6476, 8095, 16190, 32380, 253871, 507742, 1015484, 1269355, 2538710, 5077420, 411017149, 822034298, 1644068596, 2055085745, 4110171490, 8220342980]

約数ペア:

[(1, 8220342980), (2, 4110171490), (4, 2055085745), (5, 1644068596), (10, 822034298), (20, 411017149), (1619, 5077420), (3238, 2538710), (6476, 1269355), (8095, 1015484), (16190, 507742), (32380, 253871)]