55712540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 129493728

約数和(自身を除く): 73781188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 311, 338, 530, 622, 676, 689, 845, 1060, 1244, 1378, 1555, 1690, 2756, 3110, 3380, 3445, 4043, 6220, 6890, 8086, 8957, 13780, 16172, 16483, 17914, 20215, 32966, 35828, 40430, 44785, 52559, 65932, 80860, 82415, 89570, 105118, 164830, 179140, 210236, 214279, 262795, 329660, 428558, 525590, 857116, 1051180, 1071395, 2142790, 2785627, 4285580, 5571254, 11142508, 13928135, 27856270, 55712540]

約数ペア:

[(1, 55712540), (2, 27856270), (4, 13928135), (5, 11142508), (10, 5571254), (13, 4285580), (20, 2785627), (26, 2142790), (52, 1071395), (53, 1051180), (65, 857116), (106, 525590), (130, 428558), (169, 329660), (212, 262795), (260, 214279), (265, 210236), (311, 179140), (338, 164830), (530, 105118), (622, 89570), (676, 82415), (689, 80860), (845, 65932), (1060, 52559), (1244, 44785), (1378, 40430), (1555, 35828), (1690, 32966), (2756, 20215), (3110, 17914), (3380, 16483), (3445, 16172), (4043, 13780), (6220, 8957), (6890, 8086)]