25366900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 108

約数和(自身を含む): 63537600

約数和(自身を除く): 38170700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 79, 95, 100, 130, 158, 169, 190, 247, 260, 316, 325, 338, 380, 395, 475, 494, 650, 676, 790, 845, 950, 988, 1027, 1235, 1300, 1501, 1580, 1690, 1900, 1975, 2054, 2470, 3002, 3211, 3380, 3950, 4108, 4225, 4940, 5135, 6004, 6175, 6422, 7505, 7900, 8450, 10270, 12350, 12844, 13351, 15010, 16055, 16900, 19513, 20540, 24700, 25675, 26702, 30020, 32110, 37525, 39026, 51350, 53404, 64220, 66755, 75050, 78052, 80275, 97565, 102700, 133510, 150100, 160550, 195130, 253669, 267020, 321100, 333775, 390260, 487825, 507338, 667550, 975650, 1014676, 1268345, 1335100, 1951300, 2536690, 5073380, 6341725, 12683450, 25366900]

約数ペア:

[(1, 25366900), (2, 12683450), (4, 6341725), (5, 5073380), (10, 2536690), (13, 1951300), (19, 1335100), (20, 1268345), (25, 1014676), (26, 975650), (38, 667550), (50, 507338), (52, 487825), (65, 390260), (76, 333775), (79, 321100), (95, 267020), (100, 253669), (130, 195130), (158, 160550), (169, 150100), (190, 133510), (247, 102700), (260, 97565), (316, 80275), (325, 78052), (338, 75050), (380, 66755), (395, 64220), (475, 53404), (494, 51350), (650, 39026), (676, 37525), (790, 32110), (845, 30020), (950, 26702), (988, 25675), (1027, 24700), (1235, 20540), (1300, 19513), (1501, 16900), (1580, 16055), (1690, 15010), (1900, 13351), (1975, 12844), (2054, 12350), (2470, 10270), (3002, 8450), (3211, 7900), (3380, 7505), (3950, 6422), (4108, 6175), (4225, 6004), (4940, 5135)]