64677140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15473}}^1$

素因数の和:15512

約数の個数: 48

約数和(自身を含む): 155977920

約数和(自身を除く): 91300780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15473, 30946, 61892, 77365, 154730, 170203, 293987, 309460, 340406, 587974, 680812, 851015, 1175948, 1469935, 1702030, 2939870, 3233857, 3404060, 5879740, 6467714, 12935428, 16169285, 32338570, 64677140]

約数ペア:

[(1, 64677140), (2, 32338570), (4, 16169285), (5, 12935428), (10, 6467714), (11, 5879740), (19, 3404060), (20, 3233857), (22, 2939870), (38, 1702030), (44, 1469935), (55, 1175948), (76, 851015), (95, 680812), (110, 587974), (190, 340406), (209, 309460), (220, 293987), (380, 170203), (418, 154730), (836, 77365), (1045, 61892), (2090, 30946), (4180, 15473)]