64889860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12527}}^1$

素因数の和:12580

約数の個数: 48

約数和(自身を含む): 159957504

約数和(自身を除く): 95067644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12527, 25054, 50108, 62635, 87689, 125270, 175378, 250540, 350756, 438445, 463499, 876890, 926998, 1753780, 1853996, 2317495, 3244493, 4634990, 6488986, 9269980, 12977972, 16222465, 32444930, 64889860]

約数ペア:

[(1, 64889860), (2, 32444930), (4, 16222465), (5, 12977972), (7, 9269980), (10, 6488986), (14, 4634990), (20, 3244493), (28, 2317495), (35, 1853996), (37, 1753780), (70, 926998), (74, 876890), (140, 463499), (148, 438445), (185, 350756), (259, 250540), (370, 175378), (518, 125270), (740, 87689), (1036, 62635), (1295, 50108), (2590, 25054), (5180, 12527)]