31051120

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{797}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 72432864

約数和(自身を除く): 41381744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 797, 974, 1594, 1948, 2435, 3188, 3896, 3985, 4870, 6376, 7792, 7970, 9740, 12752, 15940, 19480, 31880, 38960, 63760, 388139, 776278, 1552556, 1940695, 3105112, 3881390, 6210224, 7762780, 15525560, 31051120]

約数ペア:

[(1, 31051120), (2, 15525560), (4, 7762780), (5, 6210224), (8, 3881390), (10, 3105112), (16, 1940695), (20, 1552556), (40, 776278), (80, 388139), (487, 63760), (797, 38960), (974, 31880), (1594, 19480), (1948, 15940), (2435, 12752), (3188, 9740), (3896, 7970), (3985, 7792), (4870, 6376)]