80608940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 175802592

約数和(自身を除く): 95193652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1123, 1940, 2246, 3589, 4492, 5615, 7178, 11230, 14356, 17945, 22460, 35890, 41551, 71780, 83102, 108931, 166204, 207755, 217862, 415510, 435724, 544655, 831020, 1089310, 2178620, 4030447, 8060894, 16121788, 20152235, 40304470, 80608940]

約数ペア:

[(1, 80608940), (2, 40304470), (4, 20152235), (5, 16121788), (10, 8060894), (20, 4030447), (37, 2178620), (74, 1089310), (97, 831020), (148, 544655), (185, 435724), (194, 415510), (370, 217862), (388, 207755), (485, 166204), (740, 108931), (970, 83102), (1123, 71780), (1940, 41551), (2246, 35890), (3589, 22460), (4492, 17945), (5615, 14356), (7178, 11230)]