28271060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23173}}^1$

素因数の和:23243

約数の個数: 24

約数和(自身を含む): 60345096

約数和(自身を除く): 32074036

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23173, 46346, 92692, 115865, 231730, 463460, 1413553, 2827106, 5654212, 7067765, 14135530, 28271060]

約数ペア:

[(1, 28271060), (2, 14135530), (4, 7067765), (5, 5654212), (10, 2827106), (20, 1413553), (61, 463460), (122, 231730), (244, 115865), (305, 92692), (610, 46346), (1220, 23173)]