201580240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23117}}^1$

素因数の和:23239

約数の個数: 40

約数和(自身を含む): 472994280

約数和(自身を除く): 271414040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23117, 46234, 92468, 115585, 184936, 231170, 369872, 462340, 924680, 1849360, 2519753, 5039506, 10079012, 12598765, 20158024, 25197530, 40316048, 50395060, 100790120, 201580240]

約数ペア:

[(1, 201580240), (2, 100790120), (4, 50395060), (5, 40316048), (8, 25197530), (10, 20158024), (16, 12598765), (20, 10079012), (40, 5039506), (80, 2519753), (109, 1849360), (218, 924680), (436, 462340), (545, 369872), (872, 231170), (1090, 184936), (1744, 115585), (2180, 92468), (4360, 46234), (8720, 23117)]