25370240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{809}}^1$

素因数の和:842

約数の個数: 96

約数和(自身を含む): 70640100

約数和(自身を除く): 45269860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 809, 896, 980, 1120, 1568, 1618, 1960, 2240, 3136, 3236, 3920, 4045, 4480, 5663, 6272, 6472, 7840, 8090, 11326, 12944, 15680, 16180, 22652, 25888, 28315, 31360, 32360, 39641, 45304, 51776, 56630, 64720, 79282, 90608, 103552, 113260, 129440, 158564, 181216, 198205, 226520, 258880, 317128, 362432, 396410, 453040, 517760, 634256, 724864, 792820, 906080, 1268512, 1585640, 1812160, 2537024, 3171280, 3624320, 5074048, 6342560, 12685120, 25370240]

約数ペア:

[(1, 25370240), (2, 12685120), (4, 6342560), (5, 5074048), (7, 3624320), (8, 3171280), (10, 2537024), (14, 1812160), (16, 1585640), (20, 1268512), (28, 906080), (32, 792820), (35, 724864), (40, 634256), (49, 517760), (56, 453040), (64, 396410), (70, 362432), (80, 317128), (98, 258880), (112, 226520), (128, 198205), (140, 181216), (160, 158564), (196, 129440), (224, 113260), (245, 103552), (280, 90608), (320, 79282), (392, 64720), (448, 56630), (490, 51776), (560, 45304), (640, 39641), (784, 32360), (809, 31360), (896, 28315), (980, 25888), (1120, 22652), (1568, 16180), (1618, 15680), (1960, 12944), (2240, 11326), (3136, 8090), (3236, 7840), (3920, 6472), (4045, 6272), (4480, 5663)]