61296820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{547}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 139200768

約数和(自身を除く): 77903948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 547, 862, 1094, 1724, 2155, 2188, 2735, 4310, 5470, 5603, 7111, 8620, 10940, 11206, 14222, 22412, 28015, 28444, 35555, 56030, 71110, 112060, 142220, 235757, 471514, 943028, 1178785, 2357570, 3064841, 4715140, 6129682, 12259364, 15324205, 30648410, 61296820]

約数ペア:

[(1, 61296820), (2, 30648410), (4, 15324205), (5, 12259364), (10, 6129682), (13, 4715140), (20, 3064841), (26, 2357570), (52, 1178785), (65, 943028), (130, 471514), (260, 235757), (431, 142220), (547, 112060), (862, 71110), (1094, 56030), (1724, 35555), (2155, 28444), (2188, 28015), (2735, 22412), (4310, 14222), (5470, 11206), (5603, 10940), (7111, 8620)]