201575140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1579}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 457087680

約数和(自身を除く): 255512540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1579, 1964, 2455, 3158, 4910, 6316, 6383, 7895, 9820, 12766, 15790, 20527, 25532, 31580, 31915, 41054, 63830, 82108, 102635, 127660, 205270, 410540, 775289, 1550578, 3101156, 3876445, 7752890, 10078757, 15505780, 20157514, 40315028, 50393785, 100787570, 201575140]

約数ペア:

[(1, 201575140), (2, 100787570), (4, 50393785), (5, 40315028), (10, 20157514), (13, 15505780), (20, 10078757), (26, 7752890), (52, 3876445), (65, 3101156), (130, 1550578), (260, 775289), (491, 410540), (982, 205270), (1579, 127660), (1964, 102635), (2455, 82108), (3158, 63830), (4910, 41054), (6316, 31915), (6383, 31580), (7895, 25532), (9820, 20527), (12766, 15790)]