859572220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{25237}}^1$

素因数の和:25390

約数の個数: 48

約数和(自身を含む): 1958872608

約数和(自身を除く): 1099300388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 25237, 34060, 50474, 100948, 126185, 252370, 328081, 504740, 656162, 1312324, 1640405, 3280810, 3306047, 6561620, 6612094, 13224188, 16530235, 33060470, 42978611, 66120940, 85957222, 171914444, 214893055, 429786110, 859572220]

約数ペア:

[(1, 859572220), (2, 429786110), (4, 214893055), (5, 171914444), (10, 85957222), (13, 66120940), (20, 42978611), (26, 33060470), (52, 16530235), (65, 13224188), (130, 6612094), (131, 6561620), (260, 3306047), (262, 3280810), (524, 1640405), (655, 1312324), (1310, 656162), (1703, 504740), (2620, 328081), (3406, 252370), (6812, 126185), (8515, 100948), (17030, 50474), (25237, 34060)]