670720

素因数分解:

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

素因数の和:156

約数の個数: 44

約数和(自身を含む): 1621224

約数和(自身を除く): 950504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 512, 524, 640, 655, 1024, 1048, 1280, 1310, 2096, 2560, 2620, 4192, 5120, 5240, 8384, 10480, 16768, 20960, 33536, 41920, 67072, 83840, 134144, 167680, 335360, 670720]

約数ペア:

[(1, 670720), (2, 335360), (4, 167680), (5, 134144), (8, 83840), (10, 67072), (16, 41920), (20, 33536), (32, 20960), (40, 16768), (64, 10480), (80, 8384), (128, 5240), (131, 5120), (160, 4192), (256, 2620), (262, 2560), (320, 2096), (512, 1310), (524, 1280), (640, 1048), (655, 1024)]