28542700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3613}}^1$

素因数の和:3706

約数の個数: 36

約数和(自身を含む): 62739040

約数和(自身を除く): 34196340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3613, 3950, 7226, 7900, 14452, 18065, 36130, 72260, 90325, 180650, 285427, 361300, 570854, 1141708, 1427135, 2854270, 5708540, 7135675, 14271350, 28542700]

約数ペア:

[(1, 28542700), (2, 14271350), (4, 7135675), (5, 5708540), (10, 2854270), (20, 1427135), (25, 1141708), (50, 570854), (79, 361300), (100, 285427), (158, 180650), (316, 90325), (395, 72260), (790, 36130), (1580, 18065), (1975, 14452), (3613, 7900), (3950, 7226)]