26485760

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 88

約数和(自身を含む): 72709440

約数和(自身を除く): 46223680

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, 512, 560, 640, 739, 896, 1024, 1120, 1280, 1478, 1792, 2240, 2560, 2956, 3584, 3695, 4480, 5120, 5173, 5912, 7168, 7390, 8960, 10346, 11824, 14780, 17920, 20692, 23648, 25865, 29560, 35840, 41384, 47296, 51730, 59120, 82768, 94592, 103460, 118240, 165536, 189184, 206920, 236480, 331072, 378368, 413840, 472960, 662144, 756736, 827680, 945920, 1324288, 1655360, 1891840, 2648576, 3310720, 3783680, 5297152, 6621440, 13242880, 26485760]

約数ペア:

[(1, 26485760), (2, 13242880), (4, 6621440), (5, 5297152), (7, 3783680), (8, 3310720), (10, 2648576), (14, 1891840), (16, 1655360), (20, 1324288), (28, 945920), (32, 827680), (35, 756736), (40, 662144), (56, 472960), (64, 413840), (70, 378368), (80, 331072), (112, 236480), (128, 206920), (140, 189184), (160, 165536), (224, 118240), (256, 103460), (280, 94592), (320, 82768), (448, 59120), (512, 51730), (560, 47296), (640, 41384), (739, 35840), (896, 29560), (1024, 25865), (1120, 23648), (1280, 20692), (1478, 17920), (1792, 14780), (2240, 11824), (2560, 10346), (2956, 8960), (3584, 7390), (3695, 7168), (4480, 5912), (5120, 5173)]