66101620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2621}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 151090128

約数和(自身を除く): 84988508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 2621, 5044, 5242, 6305, 10484, 12610, 13105, 25220, 26210, 34073, 52420, 68146, 136292, 170365, 254237, 340730, 508474, 681460, 1016948, 1271185, 2542370, 3305081, 5084740, 6610162, 13220324, 16525405, 33050810, 66101620]

約数ペア:

[(1, 66101620), (2, 33050810), (4, 16525405), (5, 13220324), (10, 6610162), (13, 5084740), (20, 3305081), (26, 2542370), (52, 1271185), (65, 1016948), (97, 681460), (130, 508474), (194, 340730), (260, 254237), (388, 170365), (485, 136292), (970, 68146), (1261, 52420), (1940, 34073), (2522, 26210), (2621, 25220), (5044, 13105), (5242, 12610), (6305, 10484)]