51511980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66041}}^1$

素因数の和:66066

約数の個数: 48

約数和(自身を含む): 155330784

約数和(自身を除く): 103818804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66041, 132082, 198123, 264164, 330205, 396246, 660410, 792492, 858533, 990615, 1320820, 1717066, 1981230, 2575599, 3434132, 3962460, 4292665, 5151198, 8585330, 10302396, 12877995, 17170660, 25755990, 51511980]

約数ペア:

[(1, 51511980), (2, 25755990), (3, 17170660), (4, 12877995), (5, 10302396), (6, 8585330), (10, 5151198), (12, 4292665), (13, 3962460), (15, 3434132), (20, 2575599), (26, 1981230), (30, 1717066), (39, 1320820), (52, 990615), (60, 858533), (65, 792492), (78, 660410), (130, 396246), (156, 330205), (195, 264164), (260, 198123), (390, 132082), (780, 66041)]