31040128

素因数分解:

$2^7\times 7^4\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 72854010

約数和(自身を除く): 41813882

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 101, 112, 128, 196, 202, 224, 343, 392, 404, 448, 686, 707, 784, 808, 896, 1372, 1414, 1568, 1616, 2401, 2744, 2828, 3136, 3232, 4802, 4949, 5488, 5656, 6272, 6464, 9604, 9898, 10976, 11312, 12928, 19208, 19796, 21952, 22624, 34643, 38416, 39592, 43904, 45248, 69286, 76832, 79184, 90496, 138572, 153664, 158368, 242501, 277144, 307328, 316736, 485002, 554288, 633472, 970004, 1108576, 1940008, 2217152, 3880016, 4434304, 7760032, 15520064, 31040128]

約数ペア:

[(1, 31040128), (2, 15520064), (4, 7760032), (7, 4434304), (8, 3880016), (14, 2217152), (16, 1940008), (28, 1108576), (32, 970004), (49, 633472), (56, 554288), (64, 485002), (98, 316736), (101, 307328), (112, 277144), (128, 242501), (196, 158368), (202, 153664), (224, 138572), (343, 90496), (392, 79184), (404, 76832), (448, 69286), (686, 45248), (707, 43904), (784, 39592), (808, 38416), (896, 34643), (1372, 22624), (1414, 21952), (1568, 19796), (1616, 19208), (2401, 12928), (2744, 11312), (2828, 10976), (3136, 9898), (3232, 9604), (4802, 6464), (4949, 6272), (5488, 5656)]