42664960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 88

約数和(自身を含む): 110390616

約数和(自身を除く): 67725656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 641, 832, 1024, 1040, 1280, 1282, 1664, 2080, 2560, 2564, 3205, 3328, 4160, 5120, 5128, 6410, 6656, 8320, 8333, 10256, 12820, 13312, 16640, 16666, 20512, 25640, 33280, 33332, 41024, 41665, 51280, 66560, 66664, 82048, 83330, 102560, 133328, 164096, 166660, 205120, 266656, 328192, 333320, 410240, 533312, 656384, 666640, 820480, 1066624, 1333280, 1640960, 2133248, 2666560, 3281920, 4266496, 5333120, 8532992, 10666240, 21332480, 42664960]

約数ペア:

[(1, 42664960), (2, 21332480), (4, 10666240), (5, 8532992), (8, 5333120), (10, 4266496), (13, 3281920), (16, 2666560), (20, 2133248), (26, 1640960), (32, 1333280), (40, 1066624), (52, 820480), (64, 666640), (65, 656384), (80, 533312), (104, 410240), (128, 333320), (130, 328192), (160, 266656), (208, 205120), (256, 166660), (260, 164096), (320, 133328), (416, 102560), (512, 83330), (520, 82048), (640, 66664), (641, 66560), (832, 51280), (1024, 41665), (1040, 41024), (1280, 33332), (1282, 33280), (1664, 25640), (2080, 20512), (2560, 16666), (2564, 16640), (3205, 13312), (3328, 12820), (4160, 10256), (5120, 8333), (5128, 8320), (6410, 6656)]