88609720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15937}}^1$

素因数の和:16087

約数の個数: 32

約数和(自身を含む): 200818800

約数和(自身を除く): 112209080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15937, 31874, 63748, 79685, 127496, 159370, 318740, 637480, 2215243, 4430486, 8860972, 11076215, 17721944, 22152430, 44304860, 88609720]

約数ペア:

[(1, 88609720), (2, 44304860), (4, 22152430), (5, 17721944), (8, 11076215), (10, 8860972), (20, 4430486), (40, 2215243), (139, 637480), (278, 318740), (556, 159370), (695, 127496), (1112, 79685), (1390, 63748), (2780, 31874), (5560, 15937)]