22420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 50400

約数和(自身を除く): 27980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420]

約数ペア:

[(1, 22420), (2, 11210), (4, 5605), (5, 4484), (10, 2242), (19, 1180), (20, 1121), (38, 590), (59, 380), (76, 295), (95, 236), (118, 190)]