31457440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{28087}}^1$

素因数の和:28109

約数の個数: 48

約数和(自身を含む): 84938112

約数和(自身を除く): 53480672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 28087, 56174, 112348, 140435, 196609, 224696, 280870, 393218, 449392, 561740, 786436, 898784, 983045, 1123480, 1572872, 1966090, 2246960, 3145744, 3932180, 4493920, 6291488, 7864360, 15728720, 31457440]

約数ペア:

[(1, 31457440), (2, 15728720), (4, 7864360), (5, 6291488), (7, 4493920), (8, 3932180), (10, 3145744), (14, 2246960), (16, 1966090), (20, 1572872), (28, 1123480), (32, 983045), (35, 898784), (40, 786436), (56, 561740), (70, 449392), (80, 393218), (112, 280870), (140, 224696), (160, 196609), (224, 140435), (280, 112348), (560, 56174), (1120, 28087)]