25591140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15797}}^1$

素因数の和:15818

約数の個数: 60

約数和(自身を含む): 80285436

約数和(自身を除く): 54694296

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15797, 31594, 47391, 63188, 78985, 94782, 142173, 157970, 189564, 236955, 284346, 315940, 426519, 473910, 568692, 710865, 853038, 947820, 1279557, 1421730, 1706076, 2132595, 2559114, 2843460, 4265190, 5118228, 6397785, 8530380, 12795570, 25591140]

約数ペア:

[(1, 25591140), (2, 12795570), (3, 8530380), (4, 6397785), (5, 5118228), (6, 4265190), (9, 2843460), (10, 2559114), (12, 2132595), (15, 1706076), (18, 1421730), (20, 1279557), (27, 947820), (30, 853038), (36, 710865), (45, 568692), (54, 473910), (60, 426519), (81, 315940), (90, 284346), (108, 236955), (135, 189564), (162, 157970), (180, 142173), (270, 94782), (324, 78985), (405, 63188), (540, 47391), (810, 31594), (1620, 15797)]