16878260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3936

約数の個数: 48

約数和(自身を含む): 41825280

約数和(自身を除く): 24947020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3889, 4340, 7778, 15556, 19445, 27223, 38890, 54446, 77780, 108892, 120559, 136115, 241118, 272230, 482236, 544460, 602795, 843913, 1205590, 1687826, 2411180, 3375652, 4219565, 8439130, 16878260]

約数ペア:

[(1, 16878260), (2, 8439130), (4, 4219565), (5, 3375652), (7, 2411180), (10, 1687826), (14, 1205590), (20, 843913), (28, 602795), (31, 544460), (35, 482236), (62, 272230), (70, 241118), (124, 136115), (140, 120559), (155, 108892), (217, 77780), (310, 54446), (434, 38890), (620, 27223), (868, 19445), (1085, 15556), (2170, 7778), (3889, 4340)]