39854080

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 112

約数和(自身を含む): 110093760

約数和(自身を除く): 70239680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 256, 278, 280, 320, 448, 512, 556, 560, 640, 695, 896, 973, 1024, 1112, 1120, 1280, 1390, 1792, 1946, 2048, 2224, 2240, 2560, 2780, 3584, 3892, 4096, 4448, 4480, 4865, 5120, 5560, 7168, 7784, 8192, 8896, 8960, 9730, 10240, 11120, 14336, 15568, 17792, 17920, 19460, 20480, 22240, 28672, 31136, 35584, 35840, 38920, 40960, 44480, 57344, 62272, 71168, 71680, 77840, 88960, 124544, 142336, 143360, 155680, 177920, 249088, 284672, 286720, 311360, 355840, 498176, 569344, 622720, 711680, 996352, 1138688, 1245440, 1423360, 1992704, 2490880, 2846720, 3985408, 4981760, 5693440, 7970816, 9963520, 19927040, 39854080]

約数ペア:

[(1, 39854080), (2, 19927040), (4, 9963520), (5, 7970816), (7, 5693440), (8, 4981760), (10, 3985408), (14, 2846720), (16, 2490880), (20, 1992704), (28, 1423360), (32, 1245440), (35, 1138688), (40, 996352), (56, 711680), (64, 622720), (70, 569344), (80, 498176), (112, 355840), (128, 311360), (139, 286720), (140, 284672), (160, 249088), (224, 177920), (256, 155680), (278, 143360), (280, 142336), (320, 124544), (448, 88960), (512, 77840), (556, 71680), (560, 71168), (640, 62272), (695, 57344), (896, 44480), (973, 40960), (1024, 38920), (1112, 35840), (1120, 35584), (1280, 31136), (1390, 28672), (1792, 22240), (1946, 20480), (2048, 19460), (2224, 17920), (2240, 17792), (2560, 15568), (2780, 14336), (3584, 11120), (3892, 10240), (4096, 9730), (4448, 8960), (4480, 8896), (4865, 8192), (5120, 7784), (5560, 7168)]