31810340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51307}}^1$

素因数の和:51347

約数の個数: 24

約数和(自身を含む): 68957952

約数和(自身を除く): 37147612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 51307, 102614, 205228, 256535, 513070, 1026140, 1590517, 3181034, 6362068, 7952585, 15905170, 31810340]

約数ペア:

[(1, 31810340), (2, 15905170), (4, 7952585), (5, 6362068), (10, 3181034), (20, 1590517), (31, 1026140), (62, 513070), (124, 256535), (155, 205228), (310, 102614), (620, 51307)]