42327220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 96243840

約数和(自身を除く): 53916620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 619, 1052, 1238, 1315, 2476, 2630, 3095, 3419, 5260, 6190, 6838, 8047, 12380, 13676, 16094, 17095, 32188, 34190, 40235, 68380, 80470, 160940, 162797, 325594, 651188, 813985, 1627970, 2116361, 3255940, 4232722, 8465444, 10581805, 21163610, 42327220]

約数ペア:

[(1, 42327220), (2, 21163610), (4, 10581805), (5, 8465444), (10, 4232722), (13, 3255940), (20, 2116361), (26, 1627970), (52, 813985), (65, 651188), (130, 325594), (260, 162797), (263, 160940), (526, 80470), (619, 68380), (1052, 40235), (1238, 34190), (1315, 32188), (2476, 17095), (2630, 16094), (3095, 13676), (3419, 12380), (5260, 8047), (6190, 6838)]