201304640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7963}}^1$

素因数の和:8059

約数の個数: 56

約数和(自身を含む): 485485440

約数和(自身を除く): 284180800

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, 3160, 5056, 6320, 7963, 12640, 15926, 25280, 31852, 39815, 63704, 79630, 127408, 159260, 254816, 318520, 509632, 629077, 637040, 1258154, 1274080, 2516308, 2548160, 3145385, 5032616, 6290770, 10065232, 12581540, 20130464, 25163080, 40260928, 50326160, 100652320, 201304640]

約数ペア:

[(1, 201304640), (2, 100652320), (4, 50326160), (5, 40260928), (8, 25163080), (10, 20130464), (16, 12581540), (20, 10065232), (32, 6290770), (40, 5032616), (64, 3145385), (79, 2548160), (80, 2516308), (158, 1274080), (160, 1258154), (316, 637040), (320, 629077), (395, 509632), (632, 318520), (790, 254816), (1264, 159260), (1580, 127408), (2528, 79630), (3160, 63704), (5056, 39815), (6320, 31852), (7963, 25280), (12640, 15926)]