68994340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{65089}}^1$

素因数の和:65151

約数の個数: 24

約数和(自身を含む): 147624120

約数和(自身を除く): 78629780

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 65089, 130178, 260356, 325445, 650890, 1301780, 3449717, 6899434, 13798868, 17248585, 34497170, 68994340]

約数ペア:

[(1, 68994340), (2, 34497170), (4, 17248585), (5, 13798868), (10, 6899434), (20, 3449717), (53, 1301780), (106, 650890), (212, 325445), (265, 260356), (530, 130178), (1060, 65089)]