25049080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 64981440

約数和(自身を除く): 39932360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 653, 685, 959, 1096, 1306, 1370, 1918, 2612, 2740, 3265, 3836, 4571, 4795, 5224, 5480, 6530, 7672, 9142, 9590, 13060, 18284, 19180, 22855, 26120, 36568, 38360, 45710, 89461, 91420, 178922, 182840, 357844, 447305, 626227, 715688, 894610, 1252454, 1789220, 2504908, 3131135, 3578440, 5009816, 6262270, 12524540, 25049080]

約数ペア:

[(1, 25049080), (2, 12524540), (4, 6262270), (5, 5009816), (7, 3578440), (8, 3131135), (10, 2504908), (14, 1789220), (20, 1252454), (28, 894610), (35, 715688), (40, 626227), (56, 447305), (70, 357844), (137, 182840), (140, 178922), (274, 91420), (280, 89461), (548, 45710), (653, 38360), (685, 36568), (959, 26120), (1096, 22855), (1306, 19180), (1370, 18284), (1918, 13060), (2612, 9590), (2740, 9142), (3265, 7672), (3836, 6530), (4571, 5480), (4795, 5224)]