76541540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 165146688

約数和(自身を除く): 88605148

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 443, 530, 652, 815, 886, 1060, 1630, 1772, 2215, 3260, 4430, 8639, 8860, 17278, 23479, 34556, 43195, 46958, 72209, 86390, 93916, 117395, 144418, 172780, 234790, 288836, 361045, 469580, 722090, 1444180, 3827077, 7654154, 15308308, 19135385, 38270770, 76541540]

約数ペア:

[(1, 76541540), (2, 38270770), (4, 19135385), (5, 15308308), (10, 7654154), (20, 3827077), (53, 1444180), (106, 722090), (163, 469580), (212, 361045), (265, 288836), (326, 234790), (443, 172780), (530, 144418), (652, 117395), (815, 93916), (886, 86390), (1060, 72209), (1630, 46958), (1772, 43195), (2215, 34556), (3260, 23479), (4430, 17278), (8639, 8860)]