2078656820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{10267}}^1$

素因数の和:10520

約数の個数: 48

約数和(自身を含む): 4471262208

約数和(自身を除く): 2392605388

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 212, 265, 382, 530, 764, 955, 1060, 1910, 3820, 10123, 10267, 20246, 20534, 40492, 41068, 50615, 51335, 101230, 102670, 202460, 205340, 544151, 1088302, 1960997, 2176604, 2720755, 3921994, 5441510, 7843988, 9804985, 10883020, 19609970, 39219940, 103932841, 207865682, 415731364, 519664205, 1039328410, 2078656820]

約数ペア:

[(1, 2078656820), (2, 1039328410), (4, 519664205), (5, 415731364), (10, 207865682), (20, 103932841), (53, 39219940), (106, 19609970), (191, 10883020), (212, 9804985), (265, 7843988), (382, 5441510), (530, 3921994), (764, 2720755), (955, 2176604), (1060, 1960997), (1910, 1088302), (3820, 544151), (10123, 205340), (10267, 202460), (20246, 102670), (20534, 101230), (40492, 51335), (41068, 50615)]