1657642220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6375547}}^1$

素因数の和:6375569

約数の個数: 24

約数和(自身を含む): 3748822224

約数和(自身を除く): 2091180004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6375547, 12751094, 25502188, 31877735, 63755470, 82882111, 127510940, 165764222, 331528444, 414410555, 828821110, 1657642220]

約数ペア:

[(1, 1657642220), (2, 828821110), (4, 414410555), (5, 331528444), (10, 165764222), (13, 127510940), (20, 82882111), (26, 63755470), (52, 31877735), (65, 25502188), (130, 12751094), (260, 6375547)]