25927070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 51946272

約数和(自身を除く): 26019202

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 71, 106, 130, 142, 265, 355, 530, 689, 710, 923, 1378, 1846, 2809, 3445, 3763, 4615, 5618, 6890, 7526, 9230, 14045, 18815, 28090, 36517, 37630, 48919, 73034, 97838, 182585, 199439, 244595, 365170, 398878, 489190, 997195, 1994390, 2592707, 5185414, 12963535, 25927070]

約数ペア:

[(1, 25927070), (2, 12963535), (5, 5185414), (10, 2592707), (13, 1994390), (26, 997195), (53, 489190), (65, 398878), (71, 365170), (106, 244595), (130, 199439), (142, 182585), (265, 97838), (355, 73034), (530, 48919), (689, 37630), (710, 36517), (923, 28090), (1378, 18815), (1846, 14045), (2809, 9230), (3445, 7526), (3763, 6890), (4615, 5618)]