49553920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1525

約数の個数: 80

約数和(自身を含む): 128038680

約数和(自身を除く): 78484760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1489, 1664, 2080, 2560, 2978, 3328, 4160, 5956, 6656, 7445, 8320, 11912, 14890, 16640, 19357, 23824, 29780, 33280, 38714, 47648, 59560, 77428, 95296, 96785, 119120, 154856, 190592, 193570, 238240, 309712, 381184, 387140, 476480, 619424, 762368, 774280, 952960, 1238848, 1548560, 1905920, 2477696, 3097120, 3811840, 4955392, 6194240, 9910784, 12388480, 24776960, 49553920]

約数ペア:

[(1, 49553920), (2, 24776960), (4, 12388480), (5, 9910784), (8, 6194240), (10, 4955392), (13, 3811840), (16, 3097120), (20, 2477696), (26, 1905920), (32, 1548560), (40, 1238848), (52, 952960), (64, 774280), (65, 762368), (80, 619424), (104, 476480), (128, 387140), (130, 381184), (160, 309712), (208, 238240), (256, 193570), (260, 190592), (320, 154856), (416, 119120), (512, 96785), (520, 95296), (640, 77428), (832, 59560), (1040, 47648), (1280, 38714), (1489, 33280), (1664, 29780), (2080, 23824), (2560, 19357), (2978, 16640), (3328, 14890), (4160, 11912), (5956, 8320), (6656, 7445)]