28180325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 37705920

約数和(自身を除く): 9525595

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1447, 3895, 7235, 19475, 27493, 36175, 59327, 137465, 296635, 687325, 1127213, 1483175, 5636065, 28180325]

約数ペア:

[(1, 28180325), (5, 5636065), (19, 1483175), (25, 1127213), (41, 687325), (95, 296635), (205, 137465), (475, 59327), (779, 36175), (1025, 27493), (1447, 19475), (3895, 7235)]