65744740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 143700480

約数和(自身を除く): 77955740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 431, 526, 580, 862, 1052, 1315, 1724, 2155, 2630, 4310, 5260, 7627, 8620, 12499, 15254, 24998, 30508, 38135, 49996, 62495, 76270, 113353, 124990, 152540, 226706, 249980, 453412, 566765, 1133530, 2267060, 3287237, 6574474, 13148948, 16436185, 32872370, 65744740]

約数ペア:

[(1, 65744740), (2, 32872370), (4, 16436185), (5, 13148948), (10, 6574474), (20, 3287237), (29, 2267060), (58, 1133530), (116, 566765), (145, 453412), (263, 249980), (290, 226706), (431, 152540), (526, 124990), (580, 113353), (862, 76270), (1052, 62495), (1315, 49996), (1724, 38135), (2155, 30508), (2630, 24998), (4310, 15254), (5260, 12499), (7627, 8620)]