40318208

素因数分解:

$2^8\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 93206400

約数和(自身を除く): 52888192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 151, 224, 256, 298, 302, 448, 596, 604, 896, 1043, 1057, 1192, 1208, 1792, 2086, 2114, 2384, 2416, 4172, 4228, 4768, 4832, 8344, 8456, 9536, 9664, 16688, 16912, 19072, 19328, 22499, 33376, 33824, 38144, 38656, 44998, 66752, 67648, 89996, 133504, 135296, 157493, 179992, 267008, 270592, 314986, 359984, 629972, 719968, 1259944, 1439936, 2519888, 2879872, 5039776, 5759744, 10079552, 20159104, 40318208]

約数ペア:

[(1, 40318208), (2, 20159104), (4, 10079552), (7, 5759744), (8, 5039776), (14, 2879872), (16, 2519888), (28, 1439936), (32, 1259944), (56, 719968), (64, 629972), (112, 359984), (128, 314986), (149, 270592), (151, 267008), (224, 179992), (256, 157493), (298, 135296), (302, 133504), (448, 89996), (596, 67648), (604, 66752), (896, 44998), (1043, 38656), (1057, 38144), (1192, 33824), (1208, 33376), (1792, 22499), (2086, 19328), (2114, 19072), (2384, 16912), (2416, 16688), (4172, 9664), (4228, 9536), (4768, 8456), (4832, 8344)]