12724760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7759}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 29332800

約数和(自身を除く): 16608040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7759, 15518, 31036, 38795, 62072, 77590, 155180, 310360, 318119, 636238, 1272476, 1590595, 2544952, 3181190, 6362380, 12724760]

約数ペア:

[(1, 12724760), (2, 6362380), (4, 3181190), (5, 2544952), (8, 1590595), (10, 1272476), (20, 636238), (40, 318119), (41, 310360), (82, 155180), (164, 77590), (205, 62072), (328, 38795), (410, 31036), (820, 15518), (1640, 7759)]