20774090800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1069}}^1\times {\mathrm{2557}}^1$

素因数の和:3663

約数の個数: 120

約数和(自身を含む): 52606293200

約数和(自身を除く): 31832202400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1069, 1520, 1900, 2138, 2557, 3800, 4276, 5114, 5345, 7600, 8552, 10228, 10690, 12785, 17104, 20311, 20456, 21380, 25570, 26725, 40622, 40912, 42760, 48583, 51140, 53450, 63925, 81244, 85520, 97166, 101555, 102280, 106900, 127850, 162488, 194332, 203110, 204560, 213800, 242915, 255700, 324976, 388664, 406220, 427600, 485830, 507775, 511400, 777328, 812440, 971660, 1015550, 1022800, 1214575, 1624880, 1943320, 2031100, 2429150, 2733433, 3886640, 4062200, 4858300, 5466866, 8124400, 9716600, 10933732, 13667165, 19433200, 21867464, 27334330, 43734928, 51935227, 54668660, 68335825, 103870454, 109337320, 136671650, 207740908, 218674640, 259676135, 273343300, 415481816, 519352270, 546686600, 830963632, 1038704540, 1093373200, 1298380675, 2077409080, 2596761350, 4154818160, 5193522700, 10387045400, 20774090800]

約数ペア:

[(1, 20774090800), (2, 10387045400), (4, 5193522700), (5, 4154818160), (8, 2596761350), (10, 2077409080), (16, 1298380675), (19, 1093373200), (20, 1038704540), (25, 830963632), (38, 546686600), (40, 519352270), (50, 415481816), (76, 273343300), (80, 259676135), (95, 218674640), (100, 207740908), (152, 136671650), (190, 109337320), (200, 103870454), (304, 68335825), (380, 54668660), (400, 51935227), (475, 43734928), (760, 27334330), (950, 21867464), (1069, 19433200), (1520, 13667165), (1900, 10933732), (2138, 9716600), (2557, 8124400), (3800, 5466866), (4276, 4858300), (5114, 4062200), (5345, 3886640), (7600, 2733433), (8552, 2429150), (10228, 2031100), (10690, 1943320), (12785, 1624880), (17104, 1214575), (20311, 1022800), (20456, 1015550), (21380, 971660), (25570, 812440), (26725, 777328), (40622, 511400), (40912, 507775), (42760, 485830), (48583, 427600), (51140, 406220), (53450, 388664), (63925, 324976), (81244, 255700), (85520, 242915), (97166, 213800), (101555, 204560), (102280, 203110), (106900, 194332), (127850, 162488)]