97217720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{18553}}^1$

素因数の和:18695

約数の個数: 32

約数和(自身を含む): 220421520

約数和(自身を除く): 123203800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 18553, 37106, 74212, 92765, 148424, 185530, 371060, 742120, 2430443, 4860886, 9721772, 12152215, 19443544, 24304430, 48608860, 97217720]

約数ペア:

[(1, 97217720), (2, 48608860), (4, 24304430), (5, 19443544), (8, 12152215), (10, 9721772), (20, 4860886), (40, 2430443), (131, 742120), (262, 371060), (524, 185530), (655, 148424), (1048, 92765), (1310, 74212), (2620, 37106), (5240, 18553)]