26278460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 60582816

約数和(自身を除く): 34304356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1907, 2756, 3445, 3814, 6890, 7628, 9535, 13780, 19070, 24791, 38140, 49582, 99164, 101071, 123955, 202142, 247910, 404284, 495820, 505355, 1010710, 1313923, 2021420, 2627846, 5255692, 6569615, 13139230, 26278460]

約数ペア:

[(1, 26278460), (2, 13139230), (4, 6569615), (5, 5255692), (10, 2627846), (13, 2021420), (20, 1313923), (26, 1010710), (52, 505355), (53, 495820), (65, 404284), (106, 247910), (130, 202142), (212, 123955), (260, 101071), (265, 99164), (530, 49582), (689, 38140), (1060, 24791), (1378, 19070), (1907, 13780), (2756, 9535), (3445, 7628), (3814, 6890)]