2019540980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{402299}}^1$

素因数の和:402559

約数の個数: 24

約数和(自身を含む): 4257943200

約数和(自身を除く): 2238402220

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 402299, 804598, 1609196, 2011495, 4022990, 8045980, 100977049, 201954098, 403908196, 504885245, 1009770490, 2019540980]

約数ペア:

[(1, 2019540980), (2, 1009770490), (4, 504885245), (5, 403908196), (10, 201954098), (20, 100977049), (251, 8045980), (502, 4022990), (1004, 2011495), (1255, 1609196), (2510, 804598), (5020, 402299)]