12752420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 28983360

約数和(自身を除く): 16230940

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 907, 1406, 1814, 2812, 3515, 3628, 4535, 7030, 9070, 14060, 17233, 18140, 33559, 34466, 67118, 68932, 86165, 134236, 167795, 172330, 335590, 344660, 637621, 671180, 1275242, 2550484, 3188105, 6376210, 12752420]

約数ペア:

[(1, 12752420), (2, 6376210), (4, 3188105), (5, 2550484), (10, 1275242), (19, 671180), (20, 637621), (37, 344660), (38, 335590), (74, 172330), (76, 167795), (95, 134236), (148, 86165), (185, 68932), (190, 67118), (370, 34466), (380, 33559), (703, 18140), (740, 17233), (907, 14060), (1406, 9070), (1814, 7030), (2812, 4535), (3515, 3628)]