61397840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109639}}^1$

素因数の和:109659

約数の個数: 40

約数和(自身を含む): 163144320

約数和(自身を除く): 101746480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 109639, 219278, 438556, 548195, 767473, 877112, 1096390, 1534946, 1754224, 2192780, 3069892, 3837365, 4385560, 6139784, 7674730, 8771120, 12279568, 15349460, 30698920, 61397840]

約数ペア:

[(1, 61397840), (2, 30698920), (4, 15349460), (5, 12279568), (7, 8771120), (8, 7674730), (10, 6139784), (14, 4385560), (16, 3837365), (20, 3069892), (28, 2192780), (35, 1754224), (40, 1534946), (56, 1096390), (70, 877112), (80, 767473), (112, 548195), (140, 438556), (280, 219278), (560, 109639)]