25263160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2600

約数の個数: 64

約数和(自身を含む): 64461600

約数和(自身を除く): 39198440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 2557, 4940, 5114, 9880, 10228, 12785, 20456, 25570, 33241, 48583, 51140, 66482, 97166, 102280, 132964, 166205, 194332, 242915, 265928, 332410, 388664, 485830, 631579, 664820, 971660, 1263158, 1329640, 1943320, 2526316, 3157895, 5052632, 6315790, 12631580, 25263160]

約数ペア:

[(1, 25263160), (2, 12631580), (4, 6315790), (5, 5052632), (8, 3157895), (10, 2526316), (13, 1943320), (19, 1329640), (20, 1263158), (26, 971660), (38, 664820), (40, 631579), (52, 485830), (65, 388664), (76, 332410), (95, 265928), (104, 242915), (130, 194332), (152, 166205), (190, 132964), (247, 102280), (260, 97166), (380, 66482), (494, 51140), (520, 48583), (760, 33241), (988, 25570), (1235, 20456), (1976, 12785), (2470, 10228), (2557, 9880), (4940, 5114)]