26401310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28030690

約数列:

[1, 2, 5, 10, 13, 26, 29, 47, 58, 65, 94, 130, 145, 149, 235, 290, 298, 377, 470, 611, 745, 754, 1222, 1363, 1490, 1885, 1937, 2726, 3055, 3770, 3874, 4321, 6110, 6815, 7003, 8642, 9685, 13630, 14006, 17719, 19370, 21605, 35015, 35438, 43210, 56173, 70030, 88595, 91039, 112346, 177190, 182078, 203087, 280865, 406174, 455195, 561730, 910390, 1015435, 2030870, 2640131, 5280262, 13200655, 26401310]

約数ペア:

[(1, 26401310), (2, 13200655), (5, 5280262), (10, 2640131), (13, 2030870), (26, 1015435), (29, 910390), (47, 561730), (58, 455195), (65, 406174), (94, 280865), (130, 203087), (145, 182078), (149, 177190), (235, 112346), (290, 91039), (298, 88595), (377, 70030), (470, 56173), (611, 43210), (745, 35438), (754, 35015), (1222, 21605), (1363, 19370), (1490, 17719), (1885, 14006), (1937, 13630), (2726, 9685), (3055, 8642), (3770, 7003), (3874, 6815), (4321, 6110)]