6581440

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 56

約数和(自身を含む): 15892272

約数和(自身を除く): 9310832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 157, 160, 262, 314, 320, 524, 628, 655, 785, 1048, 1256, 1310, 1570, 2096, 2512, 2620, 3140, 4192, 5024, 5240, 6280, 8384, 10048, 10480, 12560, 20567, 20960, 25120, 41134, 41920, 50240, 82268, 102835, 164536, 205670, 329072, 411340, 658144, 822680, 1316288, 1645360, 3290720, 6581440]

約数ペア:

[(1, 6581440), (2, 3290720), (4, 1645360), (5, 1316288), (8, 822680), (10, 658144), (16, 411340), (20, 329072), (32, 205670), (40, 164536), (64, 102835), (80, 82268), (131, 50240), (157, 41920), (160, 41134), (262, 25120), (314, 20960), (320, 20567), (524, 12560), (628, 10480), (655, 10048), (785, 8384), (1048, 6280), (1256, 5240), (1310, 5024), (1570, 4192), (2096, 3140), (2512, 2620)]