87015980

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{22543}}^1$

素因数の和:22745

約数の個数: 24

約数和(自身を含む): 183688512

約数和(自身を除く): 96672532

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 22543, 45086, 90172, 112715, 225430, 450860, 4350799, 8701598, 17403196, 21753995, 43507990, 87015980]

約数ペア:

[(1, 87015980), (2, 43507990), (4, 21753995), (5, 17403196), (10, 8701598), (20, 4350799), (193, 450860), (386, 225430), (772, 112715), (965, 90172), (1930, 45086), (3860, 22543)]