131031040

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 112

約数和(自身を含む): 360163872

約数和(自身を除く): 229132832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 457, 512, 560, 640, 896, 914, 1024, 1120, 1280, 1792, 1828, 2048, 2240, 2285, 2560, 3199, 3584, 3656, 4096, 4480, 4570, 5120, 6398, 7168, 7312, 8192, 8960, 9140, 10240, 12796, 14336, 14624, 15995, 17920, 18280, 20480, 25592, 28672, 29248, 31990, 35840, 36560, 40960, 51184, 57344, 58496, 63980, 71680, 73120, 102368, 116992, 127960, 143360, 146240, 204736, 233984, 255920, 286720, 292480, 409472, 467968, 511840, 584960, 818944, 935936, 1023680, 1169920, 1637888, 1871872, 2047360, 2339840, 3275776, 3743744, 4094720, 4679680, 6551552, 8189440, 9359360, 13103104, 16378880, 18718720, 26206208, 32757760, 65515520, 131031040]

約数ペア:

[(1, 131031040), (2, 65515520), (4, 32757760), (5, 26206208), (7, 18718720), (8, 16378880), (10, 13103104), (14, 9359360), (16, 8189440), (20, 6551552), (28, 4679680), (32, 4094720), (35, 3743744), (40, 3275776), (56, 2339840), (64, 2047360), (70, 1871872), (80, 1637888), (112, 1169920), (128, 1023680), (140, 935936), (160, 818944), (224, 584960), (256, 511840), (280, 467968), (320, 409472), (448, 292480), (457, 286720), (512, 255920), (560, 233984), (640, 204736), (896, 146240), (914, 143360), (1024, 127960), (1120, 116992), (1280, 102368), (1792, 73120), (1828, 71680), (2048, 63980), (2240, 58496), (2285, 57344), (2560, 51184), (3199, 40960), (3584, 36560), (3656, 35840), (4096, 31990), (4480, 29248), (4570, 28672), (5120, 25592), (6398, 20480), (7168, 18280), (7312, 17920), (8192, 15995), (8960, 14624), (9140, 14336), (10240, 12796)]