25425920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40618240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 191, 208, 256, 260, 320, 382, 416, 512, 520, 640, 764, 832, 955, 1024, 1040, 1280, 1528, 1664, 1910, 2048, 2080, 2483, 2560, 3056, 3328, 3820, 4160, 4966, 5120, 6112, 6656, 7640, 8320, 9932, 10240, 12224, 12415, 13312, 15280, 16640, 19864, 24448, 24830, 26624, 30560, 33280, 39728, 48896, 49660, 61120, 66560, 79456, 97792, 99320, 122240, 133120, 158912, 195584, 198640, 244480, 317824, 391168, 397280, 488960, 635648, 794560, 977920, 1271296, 1589120, 1955840, 2542592, 3178240, 5085184, 6356480, 12712960, 25425920]

約数ペア:

[(1, 25425920), (2, 12712960), (4, 6356480), (5, 5085184), (8, 3178240), (10, 2542592), (13, 1955840), (16, 1589120), (20, 1271296), (26, 977920), (32, 794560), (40, 635648), (52, 488960), (64, 397280), (65, 391168), (80, 317824), (104, 244480), (128, 198640), (130, 195584), (160, 158912), (191, 133120), (208, 122240), (256, 99320), (260, 97792), (320, 79456), (382, 66560), (416, 61120), (512, 49660), (520, 48896), (640, 39728), (764, 33280), (832, 30560), (955, 26624), (1024, 24830), (1040, 24448), (1280, 19864), (1528, 16640), (1664, 15280), (1910, 13312), (2048, 12415), (2080, 12224), (2483, 10240), (2560, 9932), (3056, 8320), (3328, 7640), (3820, 6656), (4160, 6112), (4966, 5120)]