64172480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6469}}^1$

素因数の和:6517

約数の個数: 56

約数和(自身を含む): 157764480

約数和(自身を除く): 93592000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 6469, 9920, 12938, 25876, 32345, 51752, 64690, 103504, 129380, 200539, 207008, 258760, 401078, 414016, 517520, 802156, 1002695, 1035040, 1604312, 2005390, 2070080, 3208624, 4010780, 6417248, 8021560, 12834496, 16043120, 32086240, 64172480]

約数ペア:

[(1, 64172480), (2, 32086240), (4, 16043120), (5, 12834496), (8, 8021560), (10, 6417248), (16, 4010780), (20, 3208624), (31, 2070080), (32, 2005390), (40, 1604312), (62, 1035040), (64, 1002695), (80, 802156), (124, 517520), (155, 414016), (160, 401078), (248, 258760), (310, 207008), (320, 200539), (496, 129380), (620, 103504), (992, 64690), (1240, 51752), (1984, 32345), (2480, 25876), (4960, 12938), (6469, 9920)]