80251478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 130572000

約数和(自身を除く): 50320522

約数列:

[1, 2, 19, 38, 61, 89, 122, 178, 389, 778, 1159, 1691, 2318, 3382, 5429, 7391, 10858, 14782, 23729, 34621, 47458, 69242, 103151, 206302, 450851, 657799, 901702, 1315598, 2111881, 4223762, 40125739, 80251478]

約数ペア:

[(1, 80251478), (2, 40125739), (19, 4223762), (38, 2111881), (61, 1315598), (89, 901702), (122, 657799), (178, 450851), (389, 206302), (778, 103151), (1159, 69242), (1691, 47458), (2318, 34621), (3382, 23729), (5429, 14782), (7391, 10858)]