131485220

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{9043}}^1$

素因数の和:9779

約数の個数: 24

約数和(自身を含む): 276529344

約数和(自身を除く): 145044124

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 9043, 14540, 18086, 36172, 45215, 90430, 180860, 6574261, 13148522, 26297044, 32871305, 65742610, 131485220]

約数ペア:

[(1, 131485220), (2, 65742610), (4, 32871305), (5, 26297044), (10, 13148522), (20, 6574261), (727, 180860), (1454, 90430), (2908, 45215), (3635, 36172), (7270, 18086), (9043, 14540)]