420131504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{1567}}^1$

素因数の和:2877

約数の個数: 40

約数和(自身を含む): 877860480

約数和(自身を除く): 457728976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1289, 1567, 2578, 3134, 5156, 6268, 10312, 12536, 16757, 20371, 20624, 25072, 33514, 40742, 67028, 81484, 134056, 162968, 268112, 325936, 2019863, 4039726, 8079452, 16158904, 26258219, 32317808, 52516438, 105032876, 210065752, 420131504]

約数ペア:

[(1, 420131504), (2, 210065752), (4, 105032876), (8, 52516438), (13, 32317808), (16, 26258219), (26, 16158904), (52, 8079452), (104, 4039726), (208, 2019863), (1289, 325936), (1567, 268112), (2578, 162968), (3134, 134056), (5156, 81484), (6268, 67028), (10312, 40742), (12536, 33514), (16757, 25072), (20371, 20624)]