42087680

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 101987424

約数和(自身を除く): 59899744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 251, 256, 262, 320, 502, 524, 640, 655, 1004, 1048, 1255, 1280, 1310, 2008, 2096, 2510, 2620, 4016, 4192, 5020, 5240, 8032, 8384, 10040, 10480, 16064, 16768, 20080, 20960, 32128, 32881, 33536, 40160, 41920, 64256, 65762, 80320, 83840, 131524, 160640, 164405, 167680, 263048, 321280, 328810, 526096, 657620, 1052192, 1315240, 2104384, 2630480, 4208768, 5260960, 8417536, 10521920, 21043840, 42087680]

約数ペア:

[(1, 42087680), (2, 21043840), (4, 10521920), (5, 8417536), (8, 5260960), (10, 4208768), (16, 2630480), (20, 2104384), (32, 1315240), (40, 1052192), (64, 657620), (80, 526096), (128, 328810), (131, 321280), (160, 263048), (251, 167680), (256, 164405), (262, 160640), (320, 131524), (502, 83840), (524, 80320), (640, 65762), (655, 64256), (1004, 41920), (1048, 40160), (1255, 33536), (1280, 32881), (1310, 32128), (2008, 20960), (2096, 20080), (2510, 16768), (2620, 16064), (4016, 10480), (4192, 10040), (5020, 8384), (5240, 8032)]