13166020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 31852800

約数和(自身を除く): 18686780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 599, 628, 785, 1099, 1198, 1570, 2198, 2396, 2995, 3140, 4193, 4396, 5495, 5990, 8386, 10990, 11980, 16772, 20965, 21980, 41930, 83860, 94043, 188086, 376172, 470215, 658301, 940430, 1316602, 1880860, 2633204, 3291505, 6583010, 13166020]

約数ペア:

[(1, 13166020), (2, 6583010), (4, 3291505), (5, 2633204), (7, 1880860), (10, 1316602), (14, 940430), (20, 658301), (28, 470215), (35, 376172), (70, 188086), (140, 94043), (157, 83860), (314, 41930), (599, 21980), (628, 20965), (785, 16772), (1099, 11980), (1198, 10990), (1570, 8386), (2198, 5990), (2396, 5495), (2995, 4396), (3140, 4193)]