259992070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{48779}}^1$

素因数の和:48840

約数の個数: 32

約数和(自身を含む): 516287520

約数和(自身を除く): 256295450

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 48779, 97558, 243895, 487790, 634127, 1268254, 1999939, 3170635, 3999878, 6341270, 9999695, 19999390, 25999207, 51998414, 129996035, 259992070]

約数ペア:

[(1, 259992070), (2, 129996035), (5, 51998414), (10, 25999207), (13, 19999390), (26, 9999695), (41, 6341270), (65, 3999878), (82, 3170635), (130, 1999939), (205, 1268254), (410, 634127), (533, 487790), (1066, 243895), (2665, 97558), (5330, 48779)]