56772040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2606

約数の個数: 64

約数和(自身を含む): 140817600

約数和(自身を除く): 84045560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2539, 2795, 4472, 5078, 5590, 10156, 11180, 12695, 20312, 22360, 25390, 33007, 50780, 66014, 101560, 109177, 132028, 165035, 218354, 264056, 330070, 436708, 545885, 660140, 873416, 1091770, 1320280, 1419301, 2183540, 2838602, 4367080, 5677204, 7096505, 11354408, 14193010, 28386020, 56772040]

約数ペア:

[(1, 56772040), (2, 28386020), (4, 14193010), (5, 11354408), (8, 7096505), (10, 5677204), (13, 4367080), (20, 2838602), (26, 2183540), (40, 1419301), (43, 1320280), (52, 1091770), (65, 873416), (86, 660140), (104, 545885), (130, 436708), (172, 330070), (215, 264056), (260, 218354), (344, 165035), (430, 132028), (520, 109177), (559, 101560), (860, 66014), (1118, 50780), (1720, 33007), (2236, 25390), (2539, 22360), (2795, 20312), (4472, 12695), (5078, 11180), (5590, 10156)]