25697560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1873}}^1$

素因数の和:1905

約数の個数: 64

約数和(自身を含む): 67464000

約数和(自身を除く): 41766440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1873, 1960, 2744, 3430, 3746, 6860, 7492, 9365, 13111, 13720, 14984, 18730, 26222, 37460, 52444, 65555, 74920, 91777, 104888, 131110, 183554, 262220, 367108, 458885, 524440, 642439, 734216, 917770, 1284878, 1835540, 2569756, 3212195, 3671080, 5139512, 6424390, 12848780, 25697560]

約数ペア:

[(1, 25697560), (2, 12848780), (4, 6424390), (5, 5139512), (7, 3671080), (8, 3212195), (10, 2569756), (14, 1835540), (20, 1284878), (28, 917770), (35, 734216), (40, 642439), (49, 524440), (56, 458885), (70, 367108), (98, 262220), (140, 183554), (196, 131110), (245, 104888), (280, 91777), (343, 74920), (392, 65555), (490, 52444), (686, 37460), (980, 26222), (1372, 18730), (1715, 14984), (1873, 13720), (1960, 13111), (2744, 9365), (3430, 7492), (3746, 6860)]