42088540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161879}}^1$

素因数の和:161901

約数の個数: 24

約数和(自身を含む): 95185440

約数和(自身を除く): 53096900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161879, 323758, 647516, 809395, 1618790, 2104427, 3237580, 4208854, 8417708, 10522135, 21044270, 42088540]

約数ペア:

[(1, 42088540), (2, 21044270), (4, 10522135), (5, 8417708), (10, 4208854), (13, 3237580), (20, 2104427), (26, 1618790), (52, 809395), (65, 647516), (130, 323758), (260, 161879)]