89570210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{64439}}^1$

素因数の和:64585

約数の個数: 16

約数和(自身を含む): 162388800

約数和(自身を除く): 72818590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 64439, 128878, 322195, 644390, 8957021, 17914042, 44785105, 89570210]

約数ペア:

[(1, 89570210), (2, 44785105), (5, 17914042), (10, 8957021), (139, 644390), (278, 322195), (695, 128878), (1390, 64439)]