64402940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12433}}^1$

素因数の和:12486

約数の個数: 48

約数和(自身を含む): 158757312

約数和(自身を除く): 94354372

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, 12433, 24866, 49732, 62165, 87031, 124330, 174062, 248660, 348124, 435155, 460021, 870310, 920042, 1740620, 1840084, 2300105, 3220147, 4600210, 6440294, 9200420, 12880588, 16100735, 32201470, 64402940]

約数ペア:

[(1, 64402940), (2, 32201470), (4, 16100735), (5, 12880588), (7, 9200420), (10, 6440294), (14, 4600210), (20, 3220147), (28, 2300105), (35, 1840084), (37, 1740620), (70, 920042), (74, 870310), (140, 460021), (148, 435155), (185, 348124), (259, 248660), (370, 174062), (518, 124330), (740, 87031), (1036, 62165), (1295, 49732), (2590, 24866), (5180, 12433)]