64073620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 145586448

約数和(自身を除く): 81512828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 877, 1124, 1405, 1754, 2810, 3508, 3653, 4385, 5620, 7306, 8770, 11401, 14612, 17540, 18265, 22802, 36530, 45604, 57005, 73060, 114010, 228020, 246437, 492874, 985748, 1232185, 2464370, 3203681, 4928740, 6407362, 12814724, 16018405, 32036810, 64073620]

約数ペア:

[(1, 64073620), (2, 32036810), (4, 16018405), (5, 12814724), (10, 6407362), (13, 4928740), (20, 3203681), (26, 2464370), (52, 1232185), (65, 985748), (130, 492874), (260, 246437), (281, 228020), (562, 114010), (877, 73060), (1124, 57005), (1405, 45604), (1754, 36530), (2810, 22802), (3508, 18265), (3653, 17540), (4385, 14612), (5620, 11401), (7306, 8770)]