11915680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{10639}}^1$

素因数の和:10661

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 20259680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 10639, 21278, 42556, 53195, 74473, 85112, 106390, 148946, 170224, 212780, 297892, 340448, 372365, 425560, 595784, 744730, 851120, 1191568, 1489460, 1702240, 2383136, 2978920, 5957840, 11915680]

約数ペア:

[(1, 11915680), (2, 5957840), (4, 2978920), (5, 2383136), (7, 1702240), (8, 1489460), (10, 1191568), (14, 851120), (16, 744730), (20, 595784), (28, 425560), (32, 372365), (35, 340448), (40, 297892), (56, 212780), (70, 170224), (80, 148946), (112, 106390), (140, 85112), (160, 74473), (224, 53195), (280, 42556), (560, 21278), (1120, 10639)]