13777720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 34201440

約数和(自身を除く): 20423720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 181, 220, 346, 362, 440, 692, 724, 865, 905, 1384, 1448, 1730, 1810, 1903, 1991, 3460, 3620, 3806, 3982, 6920, 7240, 7612, 7964, 9515, 9955, 15224, 15928, 19030, 19910, 31313, 38060, 39820, 62626, 76120, 79640, 125252, 156565, 250504, 313130, 344443, 626260, 688886, 1252520, 1377772, 1722215, 2755544, 3444430, 6888860, 13777720]

約数ペア:

[(1, 13777720), (2, 6888860), (4, 3444430), (5, 2755544), (8, 1722215), (10, 1377772), (11, 1252520), (20, 688886), (22, 626260), (40, 344443), (44, 313130), (55, 250504), (88, 156565), (110, 125252), (173, 79640), (181, 76120), (220, 62626), (346, 39820), (362, 38060), (440, 31313), (692, 19910), (724, 19030), (865, 15928), (905, 15224), (1384, 9955), (1448, 9515), (1730, 7964), (1810, 7612), (1903, 7240), (1991, 6920), (3460, 3982), (3620, 3806)]