13605620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 32914560

約数和(自身を除く): 19308940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 619, 628, 785, 1099, 1238, 1570, 2198, 2476, 3095, 3140, 4333, 4396, 5495, 6190, 8666, 10990, 12380, 17332, 21665, 21980, 43330, 86660, 97183, 194366, 388732, 485915, 680281, 971830, 1360562, 1943660, 2721124, 3401405, 6802810, 13605620]

約数ペア:

[(1, 13605620), (2, 6802810), (4, 3401405), (5, 2721124), (7, 1943660), (10, 1360562), (14, 971830), (20, 680281), (28, 485915), (35, 388732), (70, 194366), (140, 97183), (157, 86660), (314, 43330), (619, 21980), (628, 21665), (785, 17332), (1099, 12380), (1238, 10990), (1570, 8666), (2198, 6190), (2476, 5495), (3095, 4396), (3140, 4333)]