72634420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51151}}^1$

素因数の和:51231

約数の個数: 24

約数和(自身を含む): 154683648

約数和(自身を除く): 82049228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 51151, 102302, 204604, 255755, 511510, 1023020, 3631721, 7263442, 14526884, 18158605, 36317210, 72634420]

約数ペア:

[(1, 72634420), (2, 36317210), (4, 18158605), (5, 14526884), (10, 7263442), (20, 3631721), (71, 1023020), (142, 511510), (284, 255755), (355, 204604), (710, 102302), (1420, 51151)]