2005128970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2647}}^1\times {\mathrm{5827}}^1$

素因数の和:8494

約数の個数: 32

約数和(自身を含む): 3889001088

約数和(自身を除く): 1883872118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2647, 5294, 5827, 11654, 13235, 26470, 29135, 34411, 58270, 68822, 75751, 151502, 172055, 344110, 378755, 757510, 15424069, 30848138, 77120345, 154240690, 200512897, 401025794, 1002564485, 2005128970]

約数ペア:

[(1, 2005128970), (2, 1002564485), (5, 401025794), (10, 200512897), (13, 154240690), (26, 77120345), (65, 30848138), (130, 15424069), (2647, 757510), (5294, 378755), (5827, 344110), (11654, 172055), (13235, 151502), (26470, 75751), (29135, 68822), (34411, 58270)]