15553960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9043}}^1$

素因数の和:9097

約数の個数: 32

約数和(自身を含む): 35814240

約数和(自身を除く): 20260280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9043, 18086, 36172, 45215, 72344, 90430, 180860, 361720, 388849, 777698, 1555396, 1944245, 3110792, 3888490, 7776980, 15553960]

約数ペア:

[(1, 15553960), (2, 7776980), (4, 3888490), (5, 3110792), (8, 1944245), (10, 1555396), (20, 777698), (40, 388849), (43, 361720), (86, 180860), (172, 90430), (215, 72344), (344, 45215), (430, 36172), (860, 18086), (1720, 9043)]