25775824640

素因数分解:

$2^8\times 5^1\times {\mathrm{389}}^1\times {\mathrm{51767}}^1$

素因数の和:52177

約数の個数: 72

約数和(自身を含む): 61901068320

約数和(自身を除く): 36125243680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 640, 778, 1280, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 24896, 31120, 49792, 51767, 62240, 99584, 103534, 124480, 207068, 248960, 258835, 414136, 497920, 517670, 828272, 1035340, 1656544, 2070680, 3313088, 4141360, 6626176, 8282720, 13252352, 16565440, 20137363, 33130880, 40274726, 66261760, 80549452, 100686815, 161098904, 201373630, 322197808, 402747260, 644395616, 805494520, 1288791232, 1610989040, 2577582464, 3221978080, 5155164928, 6443956160, 12887912320, 25775824640]

約数ペア:

[(1, 25775824640), (2, 12887912320), (4, 6443956160), (5, 5155164928), (8, 3221978080), (10, 2577582464), (16, 1610989040), (20, 1288791232), (32, 805494520), (40, 644395616), (64, 402747260), (80, 322197808), (128, 201373630), (160, 161098904), (256, 100686815), (320, 80549452), (389, 66261760), (640, 40274726), (778, 33130880), (1280, 20137363), (1556, 16565440), (1945, 13252352), (3112, 8282720), (3890, 6626176), (6224, 4141360), (7780, 3313088), (12448, 2070680), (15560, 1656544), (24896, 1035340), (31120, 828272), (49792, 517670), (51767, 497920), (62240, 414136), (99584, 258835), (103534, 248960), (124480, 207068)]