2575540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 6168960

約数和(自身を除く): 3593420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 509, 1012, 1018, 1265, 2036, 2530, 2545, 5060, 5090, 5599, 10180, 11198, 11707, 22396, 23414, 27995, 46828, 55990, 58535, 111980, 117070, 128777, 234140, 257554, 515108, 643885, 1287770, 2575540]

約数ペア:

[(1, 2575540), (2, 1287770), (4, 643885), (5, 515108), (10, 257554), (11, 234140), (20, 128777), (22, 117070), (23, 111980), (44, 58535), (46, 55990), (55, 46828), (92, 27995), (110, 23414), (115, 22396), (220, 11707), (230, 11198), (253, 10180), (460, 5599), (506, 5090), (509, 5060), (1012, 2545), (1018, 2530), (1265, 2036)]