80626400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1156

約数の個数: 72

約数和(自身を含む): 199049760

約数和(自身を除く): 118423360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1039, 1552, 1940, 2078, 2425, 3104, 3880, 4156, 4850, 5195, 7760, 8312, 9700, 10390, 15520, 16624, 19400, 20780, 25975, 33248, 38800, 41560, 51950, 77600, 83120, 100783, 103900, 166240, 201566, 207800, 403132, 415600, 503915, 806264, 831200, 1007830, 1612528, 2015660, 2519575, 3225056, 4031320, 5039150, 8062640, 10078300, 16125280, 20156600, 40313200, 80626400]

約数ペア:

[(1, 80626400), (2, 40313200), (4, 20156600), (5, 16125280), (8, 10078300), (10, 8062640), (16, 5039150), (20, 4031320), (25, 3225056), (32, 2519575), (40, 2015660), (50, 1612528), (80, 1007830), (97, 831200), (100, 806264), (160, 503915), (194, 415600), (200, 403132), (388, 207800), (400, 201566), (485, 166240), (776, 103900), (800, 100783), (970, 83120), (1039, 77600), (1552, 51950), (1940, 41560), (2078, 38800), (2425, 33248), (3104, 25975), (3880, 20780), (4156, 19400), (4850, 16624), (5195, 15520), (7760, 10390), (8312, 9700)]