13049840

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 30563520

約数和(自身を除く): 17513680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1039, 1256, 1570, 2078, 2512, 3140, 4156, 5195, 6280, 8312, 10390, 12560, 16624, 20780, 41560, 83120, 163123, 326246, 652492, 815615, 1304984, 1631230, 2609968, 3262460, 6524920, 13049840]

約数ペア:

[(1, 13049840), (2, 6524920), (4, 3262460), (5, 2609968), (8, 1631230), (10, 1304984), (16, 815615), (20, 652492), (40, 326246), (80, 163123), (157, 83120), (314, 41560), (628, 20780), (785, 16624), (1039, 12560), (1256, 10390), (1570, 8312), (2078, 6280), (2512, 5195), (3140, 4156)]