25280380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9649}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 53499600

約数和(自身を除く): 28219220

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9649, 19298, 38596, 48245, 96490, 192980, 1264019, 2528038, 5056076, 6320095, 12640190, 25280380]

約数ペア:

[(1, 25280380), (2, 12640190), (4, 6320095), (5, 5056076), (10, 2528038), (20, 1264019), (131, 192980), (262, 96490), (524, 48245), (655, 38596), (1310, 19298), (2620, 9649)]