28500842240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1712791}}^1$

素因数の和:1712825

約数の個数: 72

約数和(自身を含む): 73519883808

約数和(自身を除く): 45019041568

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, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 1712791, 3425582, 6851164, 8563955, 13702328, 17127910, 22266283, 27404656, 34255820, 44532566, 54809312, 68511640, 89065132, 109618624, 111331415, 137023280, 178130264, 219237248, 222662830, 274046560, 356260528, 438474496, 445325660, 548093120, 712521056, 890651320, 1096186240, 1425042112, 1781302640, 2192372480, 2850084224, 3562605280, 5700168448, 7125210560, 14250421120, 28500842240]

約数ペア:

[(1, 28500842240), (2, 14250421120), (4, 7125210560), (5, 5700168448), (8, 3562605280), (10, 2850084224), (13, 2192372480), (16, 1781302640), (20, 1425042112), (26, 1096186240), (32, 890651320), (40, 712521056), (52, 548093120), (64, 445325660), (65, 438474496), (80, 356260528), (104, 274046560), (128, 222662830), (130, 219237248), (160, 178130264), (208, 137023280), (256, 111331415), (260, 109618624), (320, 89065132), (416, 68511640), (520, 54809312), (640, 44532566), (832, 34255820), (1040, 27404656), (1280, 22266283), (1664, 17127910), (2080, 13702328), (3328, 8563955), (4160, 6851164), (8320, 3425582), (16640, 1712791)]