26721280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 88

約数和(自身を含む): 68091408

約数和(自身を除く): 41370128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 307, 320, 340, 512, 544, 614, 640, 680, 1024, 1088, 1228, 1280, 1360, 1535, 2176, 2456, 2560, 2720, 3070, 4352, 4912, 5120, 5219, 5440, 6140, 8704, 9824, 10438, 10880, 12280, 17408, 19648, 20876, 21760, 24560, 26095, 39296, 41752, 43520, 49120, 52190, 78592, 83504, 87040, 98240, 104380, 157184, 167008, 196480, 208760, 314368, 334016, 392960, 417520, 668032, 785920, 835040, 1336064, 1571840, 1670080, 2672128, 3340160, 5344256, 6680320, 13360640, 26721280]

約数ペア:

[(1, 26721280), (2, 13360640), (4, 6680320), (5, 5344256), (8, 3340160), (10, 2672128), (16, 1670080), (17, 1571840), (20, 1336064), (32, 835040), (34, 785920), (40, 668032), (64, 417520), (68, 392960), (80, 334016), (85, 314368), (128, 208760), (136, 196480), (160, 167008), (170, 157184), (256, 104380), (272, 98240), (307, 87040), (320, 83504), (340, 78592), (512, 52190), (544, 49120), (614, 43520), (640, 41752), (680, 39296), (1024, 26095), (1088, 24560), (1228, 21760), (1280, 20876), (1360, 19648), (1535, 17408), (2176, 12280), (2456, 10880), (2560, 10438), (2720, 9824), (3070, 8704), (4352, 6140), (4912, 5440), (5120, 5219)]