26840420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43291}}^1$

素因数の和:43331

約数の個数: 24

約数和(自身を含む): 58184448

約数和(自身を除く): 31344028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 43291, 86582, 173164, 216455, 432910, 865820, 1342021, 2684042, 5368084, 6710105, 13420210, 26840420]

約数ペア:

[(1, 26840420), (2, 13420210), (4, 6710105), (5, 5368084), (10, 2684042), (20, 1342021), (31, 865820), (62, 432910), (124, 216455), (155, 173164), (310, 86582), (620, 43291)]