39972140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153739}}^1$

素因数の和:153761

約数の個数: 24

約数和(自身を含む): 90399120

約数和(自身を除く): 50426980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153739, 307478, 614956, 768695, 1537390, 1998607, 3074780, 3997214, 7994428, 9993035, 19986070, 39972140]

約数ペア:

[(1, 39972140), (2, 19986070), (4, 9993035), (5, 7994428), (10, 3997214), (13, 3074780), (20, 1998607), (26, 1537390), (52, 768695), (65, 614956), (130, 307478), (260, 153739)]