194128420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{38671}}^1$

素因数の和:38931

約数の個数: 24

約数和(自身を含む): 409304448

約数和(自身を除く): 215176028

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 38671, 77342, 154684, 193355, 386710, 773420, 9706421, 19412842, 38825684, 48532105, 97064210, 194128420]

約数ペア:

[(1, 194128420), (2, 97064210), (4, 48532105), (5, 38825684), (10, 19412842), (20, 9706421), (251, 773420), (502, 386710), (1004, 193355), (1255, 154684), (2510, 77342), (5020, 38671)]