13783240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 32558400

約数和(自身を除く): 18775160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 67, 74, 134, 139, 148, 185, 268, 278, 296, 335, 370, 536, 556, 670, 695, 740, 1112, 1340, 1390, 1480, 2479, 2680, 2780, 4958, 5143, 5560, 9313, 9916, 10286, 12395, 18626, 19832, 20572, 24790, 25715, 37252, 41144, 46565, 49580, 51430, 74504, 93130, 99160, 102860, 186260, 205720, 344581, 372520, 689162, 1378324, 1722905, 2756648, 3445810, 6891620, 13783240]

約数ペア:

[(1, 13783240), (2, 6891620), (4, 3445810), (5, 2756648), (8, 1722905), (10, 1378324), (20, 689162), (37, 372520), (40, 344581), (67, 205720), (74, 186260), (134, 102860), (139, 99160), (148, 93130), (185, 74504), (268, 51430), (278, 49580), (296, 46565), (335, 41144), (370, 37252), (536, 25715), (556, 24790), (670, 20572), (695, 19832), (740, 18626), (1112, 12395), (1340, 10286), (1390, 9916), (1480, 9313), (2479, 5560), (2680, 5143), (2780, 4958)]