26657660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18773}}^1$

素因数の和:18853

約数の個数: 24

約数和(自身を含む): 56772576

約数和(自身を除く): 30114916

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18773, 37546, 75092, 93865, 187730, 375460, 1332883, 2665766, 5331532, 6664415, 13328830, 26657660]

約数ペア:

[(1, 26657660), (2, 13328830), (4, 6664415), (5, 5331532), (10, 2665766), (20, 1332883), (71, 375460), (142, 187730), (284, 93865), (355, 75092), (710, 37546), (1420, 18773)]