55256240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 143504208

約数和(自身を除く): 88247968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 67, 80, 104, 122, 130, 134, 169, 208, 244, 260, 268, 305, 335, 338, 488, 520, 536, 610, 670, 676, 793, 845, 871, 976, 1040, 1072, 1220, 1340, 1352, 1586, 1690, 1742, 2440, 2680, 2704, 3172, 3380, 3484, 3965, 4087, 4355, 4880, 5360, 6344, 6760, 6968, 7930, 8174, 8710, 10309, 11323, 12688, 13520, 13936, 15860, 16348, 17420, 20435, 20618, 22646, 31720, 32696, 34840, 40870, 41236, 45292, 51545, 53131, 56615, 63440, 65392, 69680, 81740, 82472, 90584, 103090, 106262, 113230, 163480, 164944, 181168, 206180, 212524, 226460, 265655, 326960, 412360, 425048, 452920, 531310, 690703, 824720, 850096, 905840, 1062620, 1381406, 2125240, 2762812, 3453515, 4250480, 5525624, 6907030, 11051248, 13814060, 27628120, 55256240]

約数ペア:

[(1, 55256240), (2, 27628120), (4, 13814060), (5, 11051248), (8, 6907030), (10, 5525624), (13, 4250480), (16, 3453515), (20, 2762812), (26, 2125240), (40, 1381406), (52, 1062620), (61, 905840), (65, 850096), (67, 824720), (80, 690703), (104, 531310), (122, 452920), (130, 425048), (134, 412360), (169, 326960), (208, 265655), (244, 226460), (260, 212524), (268, 206180), (305, 181168), (335, 164944), (338, 163480), (488, 113230), (520, 106262), (536, 103090), (610, 90584), (670, 82472), (676, 81740), (793, 69680), (845, 65392), (871, 63440), (976, 56615), (1040, 53131), (1072, 51545), (1220, 45292), (1340, 41236), (1352, 40870), (1586, 34840), (1690, 32696), (1742, 31720), (2440, 22646), (2680, 20618), (2704, 20435), (3172, 17420), (3380, 16348), (3484, 15860), (3965, 13936), (4087, 13520), (4355, 12688), (4880, 11323), (5360, 10309), (6344, 8710), (6760, 8174), (6968, 7930)]