39406720

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 95716800

約数和(自身を除く): 56310080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 919, 1072, 1340, 1838, 2144, 2680, 3676, 4288, 4595, 5360, 7352, 8576, 9190, 10720, 14704, 18380, 21440, 29408, 36760, 42880, 58816, 61573, 73520, 117632, 123146, 147040, 246292, 294080, 307865, 492584, 588160, 615730, 985168, 1231460, 1970336, 2462920, 3940672, 4925840, 7881344, 9851680, 19703360, 39406720]

約数ペア:

[(1, 39406720), (2, 19703360), (4, 9851680), (5, 7881344), (8, 4925840), (10, 3940672), (16, 2462920), (20, 1970336), (32, 1231460), (40, 985168), (64, 615730), (67, 588160), (80, 492584), (128, 307865), (134, 294080), (160, 246292), (268, 147040), (320, 123146), (335, 117632), (536, 73520), (640, 61573), (670, 58816), (919, 42880), (1072, 36760), (1340, 29408), (1838, 21440), (2144, 18380), (2680, 14704), (3676, 10720), (4288, 9190), (4595, 8576), (5360, 7352)]