16402880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3973

約数の個数: 56

約数和(自身を含む): 42074592

約数和(自身を除く): 25671712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3943, 4160, 7886, 15772, 19715, 31544, 39430, 51259, 63088, 78860, 102518, 126176, 157720, 205036, 252352, 256295, 315440, 410072, 512590, 630880, 820144, 1025180, 1261760, 1640288, 2050360, 3280576, 4100720, 8201440, 16402880]

約数ペア:

[(1, 16402880), (2, 8201440), (4, 4100720), (5, 3280576), (8, 2050360), (10, 1640288), (13, 1261760), (16, 1025180), (20, 820144), (26, 630880), (32, 512590), (40, 410072), (52, 315440), (64, 256295), (65, 252352), (80, 205036), (104, 157720), (130, 126176), (160, 102518), (208, 78860), (260, 63088), (320, 51259), (416, 39430), (520, 31544), (832, 19715), (1040, 15772), (2080, 7886), (3943, 4160)]