42128840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81017}}^1$

素因数の和:81041

約数の個数: 32

約数和(自身を含む): 102082680

約数和(自身を除く): 59953840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81017, 162034, 324068, 405085, 648136, 810170, 1053221, 1620340, 2106442, 3240680, 4212884, 5266105, 8425768, 10532210, 21064420, 42128840]

約数ペア:

[(1, 42128840), (2, 21064420), (4, 10532210), (5, 8425768), (8, 5266105), (10, 4212884), (13, 3240680), (20, 2106442), (26, 1620340), (40, 1053221), (52, 810170), (65, 648136), (104, 405085), (130, 324068), (260, 162034), (520, 81017)]