25675085440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{657661}}^1$

素因数の和:657741

約数の個数: 64

約数和(自身を含む): 62385817320

約数和(自身を除く): 36710731880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 39040, 657661, 1315322, 2630644, 3288305, 5261288, 6576610, 10522576, 13153220, 21045152, 26306440, 40117321, 42090304, 52612880, 80234642, 84180608, 105225760, 160469284, 200586605, 210451520, 320938568, 401173210, 420903040, 641877136, 802346420, 1283754272, 1604692840, 2567508544, 3209385680, 5135017088, 6418771360, 12837542720, 25675085440]

約数ペア:

[(1, 25675085440), (2, 12837542720), (4, 6418771360), (5, 5135017088), (8, 3209385680), (10, 2567508544), (16, 1604692840), (20, 1283754272), (32, 802346420), (40, 641877136), (61, 420903040), (64, 401173210), (80, 320938568), (122, 210451520), (128, 200586605), (160, 160469284), (244, 105225760), (305, 84180608), (320, 80234642), (488, 52612880), (610, 42090304), (640, 40117321), (976, 26306440), (1220, 21045152), (1952, 13153220), (2440, 10522576), (3904, 6576610), (4880, 5261288), (7808, 3288305), (9760, 2630644), (19520, 1315322), (39040, 657661)]