12870260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 29635200

約数和(自身を除く): 16764940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 839, 1180, 1534, 1678, 3068, 3356, 3835, 4195, 7670, 8390, 10907, 15340, 16780, 21814, 43628, 49501, 54535, 99002, 109070, 198004, 218140, 247505, 495010, 643513, 990020, 1287026, 2574052, 3217565, 6435130, 12870260]

約数ペア:

[(1, 12870260), (2, 6435130), (4, 3217565), (5, 2574052), (10, 1287026), (13, 990020), (20, 643513), (26, 495010), (52, 247505), (59, 218140), (65, 198004), (118, 109070), (130, 99002), (236, 54535), (260, 49501), (295, 43628), (590, 21814), (767, 16780), (839, 15340), (1180, 10907), (1534, 8390), (1678, 7670), (3068, 4195), (3356, 3835)]