51641920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:908

約数の個数: 112

約数和(自身を含む): 142207488

約数和(自身を除く): 90565568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 863, 880, 935, 1088, 1360, 1496, 1726, 1760, 1870, 2720, 2992, 3452, 3520, 3740, 4315, 5440, 5984, 6904, 7480, 8630, 9493, 11968, 13808, 14671, 14960, 17260, 18986, 27616, 29342, 29920, 34520, 37972, 47465, 55232, 58684, 59840, 69040, 73355, 75944, 94930, 117368, 138080, 146710, 151888, 161381, 189860, 234736, 276160, 293420, 303776, 322762, 379720, 469472, 586840, 607552, 645524, 759440, 806905, 938944, 1173680, 1291048, 1518880, 1613810, 2347360, 2582096, 3037760, 3227620, 4694720, 5164192, 6455240, 10328384, 12910480, 25820960, 51641920]

約数ペア:

[(1, 51641920), (2, 25820960), (4, 12910480), (5, 10328384), (8, 6455240), (10, 5164192), (11, 4694720), (16, 3227620), (17, 3037760), (20, 2582096), (22, 2347360), (32, 1613810), (34, 1518880), (40, 1291048), (44, 1173680), (55, 938944), (64, 806905), (68, 759440), (80, 645524), (85, 607552), (88, 586840), (110, 469472), (136, 379720), (160, 322762), (170, 303776), (176, 293420), (187, 276160), (220, 234736), (272, 189860), (320, 161381), (340, 151888), (352, 146710), (374, 138080), (440, 117368), (544, 94930), (680, 75944), (704, 73355), (748, 69040), (863, 59840), (880, 58684), (935, 55232), (1088, 47465), (1360, 37972), (1496, 34520), (1726, 29920), (1760, 29342), (1870, 27616), (2720, 18986), (2992, 17260), (3452, 14960), (3520, 14671), (3740, 13808), (4315, 11968), (5440, 9493), (5984, 8630), (6904, 7480)]