28467680

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 67695264

約数和(自身を除く): 39227584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 983, 1448, 1810, 1966, 2896, 3620, 3932, 4915, 5792, 7240, 7864, 9830, 14480, 15728, 19660, 28960, 31456, 39320, 78640, 157280, 177923, 355846, 711692, 889615, 1423384, 1779230, 2846768, 3558460, 5693536, 7116920, 14233840, 28467680]

約数ペア:

[(1, 28467680), (2, 14233840), (4, 7116920), (5, 5693536), (8, 3558460), (10, 2846768), (16, 1779230), (20, 1423384), (32, 889615), (40, 711692), (80, 355846), (160, 177923), (181, 157280), (362, 78640), (724, 39320), (905, 31456), (983, 28960), (1448, 19660), (1810, 15728), (1966, 14480), (2896, 9830), (3620, 7864), (3932, 7240), (4915, 5792)]