3925220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 9182208

約数和(自身を除く): 5256988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 487, 620, 806, 974, 1612, 1948, 2015, 2435, 4030, 4870, 6331, 8060, 9740, 12662, 15097, 25324, 30194, 31655, 60388, 63310, 75485, 126620, 150970, 196261, 301940, 392522, 785044, 981305, 1962610, 3925220]

約数ペア:

[(1, 3925220), (2, 1962610), (4, 981305), (5, 785044), (10, 392522), (13, 301940), (20, 196261), (26, 150970), (31, 126620), (52, 75485), (62, 63310), (65, 60388), (124, 31655), (130, 30194), (155, 25324), (260, 15097), (310, 12662), (403, 9740), (487, 8060), (620, 6331), (806, 4870), (974, 4030), (1612, 2435), (1948, 2015)]