1577156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{195677}}^1$

素因数の和:195730

約数の個数: 48

約数和(自身を含む): 3681877248

約数和(自身を除く): 2104720628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 195677, 391354, 782708, 978385, 1956770, 2543801, 3913540, 5087602, 6065987, 10175204, 12131974, 12719005, 24263948, 25438010, 30329935, 50876020, 60659870, 78857831, 121319740, 157715662, 315431324, 394289155, 788578310, 1577156620]

約数ペア:

[(1, 1577156620), (2, 788578310), (4, 394289155), (5, 315431324), (10, 157715662), (13, 121319740), (20, 78857831), (26, 60659870), (31, 50876020), (52, 30329935), (62, 25438010), (65, 24263948), (124, 12719005), (130, 12131974), (155, 10175204), (260, 6065987), (310, 5087602), (403, 3913540), (620, 2543801), (806, 1956770), (1612, 978385), (2015, 782708), (4030, 391354), (8060, 195677)]