25630487920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{819389}}^1$

素因数の和:819442

約数の個数: 80

約数和(自身を含む): 65839625280

約数和(自身を除く): 40209137360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 15640, 31280, 819389, 1638778, 3277556, 4096945, 6555112, 8193890, 13110224, 13929613, 16387780, 18845947, 27859226, 32775560, 37691894, 55718452, 65551120, 69648065, 75383788, 94229735, 111436904, 139296130, 150767576, 188459470, 222873808, 278592260, 301535152, 320381099, 376918940, 557184520, 640762198, 753837880, 1114369040, 1281524396, 1507675760, 1601905495, 2563048792, 3203810990, 5126097584, 6407621980, 12815243960, 25630487920]

約数ペア:

[(1, 25630487920), (2, 12815243960), (4, 6407621980), (5, 5126097584), (8, 3203810990), (10, 2563048792), (16, 1601905495), (17, 1507675760), (20, 1281524396), (23, 1114369040), (34, 753837880), (40, 640762198), (46, 557184520), (68, 376918940), (80, 320381099), (85, 301535152), (92, 278592260), (115, 222873808), (136, 188459470), (170, 150767576), (184, 139296130), (230, 111436904), (272, 94229735), (340, 75383788), (368, 69648065), (391, 65551120), (460, 55718452), (680, 37691894), (782, 32775560), (920, 27859226), (1360, 18845947), (1564, 16387780), (1840, 13929613), (1955, 13110224), (3128, 8193890), (3910, 6555112), (6256, 4096945), (7820, 3277556), (15640, 1638778), (31280, 819389)]