25208940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{420149}}^1$

素因数の和:420161

約数の個数: 24

約数和(自身を含む): 70585200

約数和(自身を除く): 45376260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 420149, 840298, 1260447, 1680596, 2100745, 2520894, 4201490, 5041788, 6302235, 8402980, 12604470, 25208940]

約数ペア:

[(1, 25208940), (2, 12604470), (3, 8402980), (4, 6302235), (5, 5041788), (6, 4201490), (10, 2520894), (12, 2100745), (15, 1680596), (20, 1260447), (30, 840298), (60, 420149)]