72200980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37217}}^1$

素因数の和:37323

約数の個数: 24

約数和(自身を含む): 153189288

約数和(自身を除く): 80988308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 37217, 74434, 148868, 186085, 372170, 744340, 3610049, 7220098, 14440196, 18050245, 36100490, 72200980]

約数ペア:

[(1, 72200980), (2, 36100490), (4, 18050245), (5, 14440196), (10, 7220098), (20, 3610049), (97, 744340), (194, 372170), (388, 186085), (485, 148868), (970, 74434), (1940, 37217)]