138327760

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1759}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 322122240

約数和(自身を除く): 183794480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1759, 1966, 3518, 3932, 4915, 7036, 7864, 8795, 9830, 14072, 15728, 17590, 19660, 28144, 35180, 39320, 70360, 78640, 140720, 1729097, 3458194, 6916388, 8645485, 13832776, 17290970, 27665552, 34581940, 69163880, 138327760]

約数ペア:

[(1, 138327760), (2, 69163880), (4, 34581940), (5, 27665552), (8, 17290970), (10, 13832776), (16, 8645485), (20, 6916388), (40, 3458194), (80, 1729097), (983, 140720), (1759, 78640), (1966, 70360), (3518, 39320), (3932, 35180), (4915, 28144), (7036, 19660), (7864, 17590), (8795, 15728), (9830, 14072)]