2013320140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{18481}}^1$

素因数の和:18922

約数の個数: 48

約数和(自身を含む): 4564314720

約数和(自身を除く): 2550994580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1676, 2095, 4190, 5447, 8380, 10894, 18481, 21788, 27235, 36962, 54470, 73924, 92405, 108940, 184810, 240253, 369620, 480506, 961012, 1201265, 2402530, 4805060, 7743539, 15487078, 30974156, 38717695, 77435390, 100666007, 154870780, 201332014, 402664028, 503330035, 1006660070, 2013320140]

約数ペア:

[(1, 2013320140), (2, 1006660070), (4, 503330035), (5, 402664028), (10, 201332014), (13, 154870780), (20, 100666007), (26, 77435390), (52, 38717695), (65, 30974156), (130, 15487078), (260, 7743539), (419, 4805060), (838, 2402530), (1676, 1201265), (2095, 961012), (4190, 480506), (5447, 369620), (8380, 240253), (10894, 184810), (18481, 108940), (21788, 92405), (27235, 73924), (36962, 54470)]