12743680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 88

約数和(自身を含む): 32424480

約数和(自身を除く): 19680800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 131, 152, 160, 190, 256, 262, 304, 320, 380, 512, 524, 608, 640, 655, 760, 1024, 1048, 1216, 1280, 1310, 1520, 2096, 2432, 2489, 2560, 2620, 3040, 4192, 4864, 4978, 5120, 5240, 6080, 8384, 9728, 9956, 10480, 12160, 12445, 16768, 19456, 19912, 20960, 24320, 24890, 33536, 39824, 41920, 48640, 49780, 67072, 79648, 83840, 97280, 99560, 134144, 159296, 167680, 199120, 318592, 335360, 398240, 637184, 670720, 796480, 1274368, 1592960, 2548736, 3185920, 6371840, 12743680]

約数ペア:

[(1, 12743680), (2, 6371840), (4, 3185920), (5, 2548736), (8, 1592960), (10, 1274368), (16, 796480), (19, 670720), (20, 637184), (32, 398240), (38, 335360), (40, 318592), (64, 199120), (76, 167680), (80, 159296), (95, 134144), (128, 99560), (131, 97280), (152, 83840), (160, 79648), (190, 67072), (256, 49780), (262, 48640), (304, 41920), (320, 39824), (380, 33536), (512, 24890), (524, 24320), (608, 20960), (640, 19912), (655, 19456), (760, 16768), (1024, 12445), (1048, 12160), (1216, 10480), (1280, 9956), (1310, 9728), (1520, 8384), (2096, 6080), (2432, 5240), (2489, 5120), (2560, 4978), (2620, 4864), (3040, 4192)]