80074540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43997}}^1$

素因数の和:44026

約数の個数: 48

約数和(自身を含む): 206966592

約数和(自身を除く): 126892052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43997, 87994, 175988, 219985, 307979, 439970, 571961, 615958, 879940, 1143922, 1231916, 1539895, 2287844, 2859805, 3079790, 4003727, 5719610, 6159580, 8007454, 11439220, 16014908, 20018635, 40037270, 80074540]

約数ペア:

[(1, 80074540), (2, 40037270), (4, 20018635), (5, 16014908), (7, 11439220), (10, 8007454), (13, 6159580), (14, 5719610), (20, 4003727), (26, 3079790), (28, 2859805), (35, 2287844), (52, 1539895), (65, 1231916), (70, 1143922), (91, 879940), (130, 615958), (140, 571961), (182, 439970), (260, 307979), (364, 219985), (455, 175988), (910, 87994), (1820, 43997)]