260340980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317489}}^1$

素因数の和:317539

約数の個数: 24

約数和(自身を含む): 560052360

約数和(自身を除く): 299711380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 317489, 634978, 1269956, 1587445, 3174890, 6349780, 13017049, 26034098, 52068196, 65085245, 130170490, 260340980]

約数ペア:

[(1, 260340980), (2, 130170490), (4, 65085245), (5, 52068196), (10, 26034098), (20, 13017049), (41, 6349780), (82, 3174890), (164, 1587445), (205, 1269956), (410, 634978), (820, 317489)]