61684520

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2333}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 139059720

約数和(自身を除く): 77375200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2333, 2644, 3305, 4666, 5288, 6610, 9332, 11665, 13220, 18664, 23330, 26440, 46660, 93320, 1542113, 3084226, 6168452, 7710565, 12336904, 15421130, 30842260, 61684520]

約数ペア:

[(1, 61684520), (2, 30842260), (4, 15421130), (5, 12336904), (8, 7710565), (10, 6168452), (20, 3084226), (40, 1542113), (661, 93320), (1322, 46660), (2333, 26440), (2644, 23330), (3305, 18664), (4666, 13220), (5288, 11665), (6610, 9332)]