25299680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 44554720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 461, 490, 560, 686, 784, 922, 980, 1120, 1372, 1568, 1715, 1844, 1960, 2305, 2744, 3227, 3430, 3688, 3920, 4610, 5488, 6454, 6860, 7376, 7840, 9220, 10976, 12908, 13720, 14752, 16135, 18440, 22589, 25816, 27440, 32270, 36880, 45178, 51632, 54880, 64540, 73760, 90356, 103264, 112945, 129080, 158123, 180712, 225890, 258160, 316246, 361424, 451780, 516320, 632492, 722848, 790615, 903560, 1264984, 1581230, 1807120, 2529968, 3162460, 3614240, 5059936, 6324920, 12649840, 25299680]

約数ペア:

[(1, 25299680), (2, 12649840), (4, 6324920), (5, 5059936), (7, 3614240), (8, 3162460), (10, 2529968), (14, 1807120), (16, 1581230), (20, 1264984), (28, 903560), (32, 790615), (35, 722848), (40, 632492), (49, 516320), (56, 451780), (70, 361424), (80, 316246), (98, 258160), (112, 225890), (140, 180712), (160, 158123), (196, 129080), (224, 112945), (245, 103264), (280, 90356), (343, 73760), (392, 64540), (461, 54880), (490, 51632), (560, 45178), (686, 36880), (784, 32270), (922, 27440), (980, 25816), (1120, 22589), (1372, 18440), (1568, 16135), (1715, 14752), (1844, 13720), (1960, 12908), (2305, 10976), (2744, 9220), (3227, 7840), (3430, 7376), (3688, 6860), (3920, 6454), (4610, 5488)]