64287040

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2639

約数の個数: 56

約数和(自身を含む): 155082240

約数和(自身を除く): 90795200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 2543, 3160, 5056, 5086, 6320, 10172, 12640, 12715, 20344, 25280, 25430, 40688, 50860, 81376, 101720, 162752, 200897, 203440, 401794, 406880, 803588, 813760, 1004485, 1607176, 2008970, 3214352, 4017940, 6428704, 8035880, 12857408, 16071760, 32143520, 64287040]

約数ペア:

[(1, 64287040), (2, 32143520), (4, 16071760), (5, 12857408), (8, 8035880), (10, 6428704), (16, 4017940), (20, 3214352), (32, 2008970), (40, 1607176), (64, 1004485), (79, 813760), (80, 803588), (158, 406880), (160, 401794), (316, 203440), (320, 200897), (395, 162752), (632, 101720), (790, 81376), (1264, 50860), (1580, 40688), (2528, 25430), (2543, 25280), (3160, 20344), (5056, 12715), (5086, 12640), (6320, 10172)]