51982970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12899}}^1$

素因数の和:12950

約数の個数: 32

約数和(自身を含む): 104025600

約数和(自身を除く): 52042630

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 12899, 25798, 64495, 128990, 167687, 335374, 399869, 799738, 838435, 1676870, 1999345, 3998690, 5198297, 10396594, 25991485, 51982970]

約数ペア:

[(1, 51982970), (2, 25991485), (5, 10396594), (10, 5198297), (13, 3998690), (26, 1999345), (31, 1676870), (62, 838435), (65, 799738), (130, 399869), (155, 335374), (310, 167687), (403, 128990), (806, 64495), (2015, 25798), (4030, 12899)]