12428780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6829}}^1$

素因数の和:6858

約数の個数: 48

約数和(自身を含む): 32128320

約数和(自身を除く): 19699540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6829, 13658, 27316, 34145, 47803, 68290, 88777, 95606, 136580, 177554, 191212, 239015, 355108, 443885, 478030, 621439, 887770, 956060, 1242878, 1775540, 2485756, 3107195, 6214390, 12428780]

約数ペア:

[(1, 12428780), (2, 6214390), (4, 3107195), (5, 2485756), (7, 1775540), (10, 1242878), (13, 956060), (14, 887770), (20, 621439), (26, 478030), (28, 443885), (35, 355108), (52, 239015), (65, 191212), (70, 177554), (91, 136580), (130, 95606), (140, 88777), (182, 68290), (260, 47803), (364, 34145), (455, 27316), (910, 13658), (1820, 6829)]