28569040

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1973}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 66823848

約数和(自身を除く): 38254808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 1973, 2896, 3620, 3946, 7240, 7892, 9865, 14480, 15784, 19730, 31568, 39460, 78920, 157840, 357113, 714226, 1428452, 1785565, 2856904, 3571130, 5713808, 7142260, 14284520, 28569040]

約数ペア:

[(1, 28569040), (2, 14284520), (4, 7142260), (5, 5713808), (8, 3571130), (10, 2856904), (16, 1785565), (20, 1428452), (40, 714226), (80, 357113), (181, 157840), (362, 78920), (724, 39460), (905, 31568), (1448, 19730), (1810, 15784), (1973, 14480), (2896, 9865), (3620, 7892), (3946, 7240)]