260063360

素因数分解:

$2^7\times 5^1\times {\mathrm{406349}}^1$

素因数の和:406368

約数の個数: 32

約数和(自身を含む): 621715500

約数和(自身を除く): 361652140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 406349, 812698, 1625396, 2031745, 3250792, 4063490, 6501584, 8126980, 13003168, 16253960, 26006336, 32507920, 52012672, 65015840, 130031680, 260063360]

約数ペア:

[(1, 260063360), (2, 130031680), (4, 65015840), (5, 52012672), (8, 32507920), (10, 26006336), (16, 16253960), (20, 13003168), (32, 8126980), (40, 6501584), (64, 4063490), (80, 3250792), (128, 2031745), (160, 1625396), (320, 812698), (640, 406349)]