40259968

素因数分解:

$2^7\times 7^4\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 94281660

約数和(自身を除く): 54021692

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 131, 196, 224, 262, 343, 392, 448, 524, 686, 784, 896, 917, 1048, 1372, 1568, 1834, 2096, 2401, 2744, 3136, 3668, 4192, 4802, 5488, 6272, 6419, 7336, 8384, 9604, 10976, 12838, 14672, 16768, 19208, 21952, 25676, 29344, 38416, 43904, 44933, 51352, 58688, 76832, 89866, 102704, 117376, 153664, 179732, 205408, 307328, 314531, 359464, 410816, 629062, 718928, 821632, 1258124, 1437856, 2516248, 2875712, 5032496, 5751424, 10064992, 20129984, 40259968]

約数ペア:

[(1, 40259968), (2, 20129984), (4, 10064992), (7, 5751424), (8, 5032496), (14, 2875712), (16, 2516248), (28, 1437856), (32, 1258124), (49, 821632), (56, 718928), (64, 629062), (98, 410816), (112, 359464), (128, 314531), (131, 307328), (196, 205408), (224, 179732), (262, 153664), (343, 117376), (392, 102704), (448, 89866), (524, 76832), (686, 58688), (784, 51352), (896, 44933), (917, 43904), (1048, 38416), (1372, 29344), (1568, 25676), (1834, 21952), (2096, 19208), (2401, 16768), (2744, 14672), (3136, 12838), (3668, 10976), (4192, 9604), (4802, 8384), (5488, 7336), (6272, 6419)]