26726540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 60100320

約数和(自身を除く): 33373780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1153, 1159, 1220, 2306, 2318, 4612, 4636, 5765, 5795, 11530, 11590, 21907, 23060, 23180, 43814, 70333, 87628, 109535, 140666, 219070, 281332, 351665, 438140, 703330, 1336327, 1406660, 2672654, 5345308, 6681635, 13363270, 26726540]

約数ペア:

[(1, 26726540), (2, 13363270), (4, 6681635), (5, 5345308), (10, 2672654), (19, 1406660), (20, 1336327), (38, 703330), (61, 438140), (76, 351665), (95, 281332), (122, 219070), (190, 140666), (244, 109535), (305, 87628), (380, 70333), (610, 43814), (1153, 23180), (1159, 23060), (1220, 21907), (2306, 11590), (2318, 11530), (4612, 5795), (4636, 5765)]