162560440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{82939}}^1$

素因数の和:82964

約数の個数: 48

約数和(自身を含む): 425482200

約数和(自身を除く): 262921760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 82939, 165878, 331756, 414695, 580573, 663512, 829390, 1161146, 1658780, 2322292, 2902865, 3317560, 4064011, 4644584, 5805730, 8128022, 11611460, 16256044, 20320055, 23222920, 32512088, 40640110, 81280220, 162560440]

約数ペア:

[(1, 162560440), (2, 81280220), (4, 40640110), (5, 32512088), (7, 23222920), (8, 20320055), (10, 16256044), (14, 11611460), (20, 8128022), (28, 5805730), (35, 4644584), (40, 4064011), (49, 3317560), (56, 2902865), (70, 2322292), (98, 1658780), (140, 1161146), (196, 829390), (245, 663512), (280, 580573), (392, 414695), (490, 331756), (980, 165878), (1960, 82939)]