27628120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 69437520

約数和(自身を除く): 41809400

約数列:

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

約数ペア:

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