51883780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 117863424

約数和(自身を除く): 65979644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 463, 862, 926, 1724, 1852, 2155, 2315, 4310, 4630, 5603, 6019, 8620, 9260, 11206, 12038, 22412, 24076, 28015, 30095, 56030, 60190, 112060, 120380, 199553, 399106, 798212, 997765, 1995530, 2594189, 3991060, 5188378, 10376756, 12970945, 25941890, 51883780]

約数ペア:

[(1, 51883780), (2, 25941890), (4, 12970945), (5, 10376756), (10, 5188378), (13, 3991060), (20, 2594189), (26, 1995530), (52, 997765), (65, 798212), (130, 399106), (260, 199553), (431, 120380), (463, 112060), (862, 60190), (926, 56030), (1724, 30095), (1852, 28015), (2155, 24076), (2315, 22412), (4310, 12038), (4630, 11206), (5603, 9260), (6019, 8620)]