25831720

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2383}}^1$

素因数の和:2665

約数の個数: 32

約数和(自身を含む): 58360320

約数和(自身を除く): 32528600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2383, 2710, 4766, 5420, 9532, 10840, 11915, 19064, 23830, 47660, 95320, 645793, 1291586, 2583172, 3228965, 5166344, 6457930, 12915860, 25831720]

約数ペア:

[(1, 25831720), (2, 12915860), (4, 6457930), (5, 5166344), (8, 3228965), (10, 2583172), (20, 1291586), (40, 645793), (271, 95320), (542, 47660), (1084, 23830), (1355, 19064), (2168, 11915), (2383, 10840), (2710, 9532), (4766, 5420)]