20177988500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{24473}}^1$

素因数の和:24606

約数の個数: 96

約数和(自身を含む): 47143972512

約数和(自身を除く): 26965984012

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 125, 170, 194, 250, 340, 388, 425, 485, 500, 850, 970, 1649, 1700, 1940, 2125, 2425, 3298, 4250, 4850, 6596, 8245, 8500, 9700, 12125, 16490, 24250, 24473, 32980, 41225, 48500, 48946, 82450, 97892, 122365, 164900, 206125, 244730, 412250, 416041, 489460, 611825, 824500, 832082, 1223650, 1664164, 2080205, 2373881, 2447300, 3059125, 4160410, 4747762, 6118250, 8320820, 9495524, 10401025, 11869405, 12236500, 20802050, 23738810, 40355977, 41604100, 47477620, 52005125, 59347025, 80711954, 104010250, 118694050, 161423908, 201779885, 208020500, 237388100, 296735125, 403559770, 593470250, 807119540, 1008899425, 1186940500, 2017798850, 4035597700, 5044497125, 10088994250, 20177988500]

約数ペア:

[(1, 20177988500), (2, 10088994250), (4, 5044497125), (5, 4035597700), (10, 2017798850), (17, 1186940500), (20, 1008899425), (25, 807119540), (34, 593470250), (50, 403559770), (68, 296735125), (85, 237388100), (97, 208020500), (100, 201779885), (125, 161423908), (170, 118694050), (194, 104010250), (250, 80711954), (340, 59347025), (388, 52005125), (425, 47477620), (485, 41604100), (500, 40355977), (850, 23738810), (970, 20802050), (1649, 12236500), (1700, 11869405), (1940, 10401025), (2125, 9495524), (2425, 8320820), (3298, 6118250), (4250, 4747762), (4850, 4160410), (6596, 3059125), (8245, 2447300), (8500, 2373881), (9700, 2080205), (12125, 1664164), (16490, 1223650), (24250, 832082), (24473, 824500), (32980, 611825), (41225, 489460), (48500, 416041), (48946, 412250), (82450, 244730), (97892, 206125), (122365, 164900)]