28977650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 58720200

約数和(自身を除く): 29742550

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 409, 545, 650, 818, 1090, 1417, 2045, 2725, 2834, 4090, 5317, 5450, 7085, 10225, 10634, 14170, 20450, 26585, 35425, 44581, 53170, 70850, 89162, 132925, 222905, 265850, 445810, 579553, 1114525, 1159106, 2229050, 2897765, 5795530, 14488825, 28977650]

約数ペア:

[(1, 28977650), (2, 14488825), (5, 5795530), (10, 2897765), (13, 2229050), (25, 1159106), (26, 1114525), (50, 579553), (65, 445810), (109, 265850), (130, 222905), (218, 132925), (325, 89162), (409, 70850), (545, 53170), (650, 44581), (818, 35425), (1090, 26585), (1417, 20450), (2045, 14170), (2725, 10634), (2834, 10225), (4090, 7085), (5317, 5450)]