25987650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13327}}^1$

素因数の和:13355

約数の個数: 48

約数和(自身を含む): 69412224

約数和(自身を除く): 43424574

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 13327, 26654, 39981, 66635, 79962, 133270, 173251, 199905, 333175, 346502, 399810, 519753, 666350, 866255, 999525, 1039506, 1732510, 1999050, 2598765, 4331275, 5197530, 8662550, 12993825, 25987650]

約数ペア:

[(1, 25987650), (2, 12993825), (3, 8662550), (5, 5197530), (6, 4331275), (10, 2598765), (13, 1999050), (15, 1732510), (25, 1039506), (26, 999525), (30, 866255), (39, 666350), (50, 519753), (65, 399810), (75, 346502), (78, 333175), (130, 199905), (150, 173251), (195, 133270), (325, 79962), (390, 66635), (650, 39981), (975, 26654), (1950, 13327)]