2018268680

素因数分解:

$2^3\times 5^1\times {\mathrm{9479}}^1\times {\mathrm{5323}}^1$

素因数の和:14813

約数の個数: 32

約数和(自身を含む): 4542436800

約数和(自身を除く): 2524168120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5323, 9479, 10646, 18958, 21292, 26615, 37916, 42584, 47395, 53230, 75832, 94790, 106460, 189580, 212920, 379160, 50456717, 100913434, 201826868, 252283585, 403653736, 504567170, 1009134340, 2018268680]

約数ペア:

[(1, 2018268680), (2, 1009134340), (4, 504567170), (5, 403653736), (8, 252283585), (10, 201826868), (20, 100913434), (40, 50456717), (5323, 379160), (9479, 212920), (10646, 189580), (18958, 106460), (21292, 94790), (26615, 75832), (37916, 53230), (42584, 47395)]