127907840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12518

約数の個数: 48

約数和(自身を含む): 306928440

約数和(自身を除く): 179020600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 399712, 499640, 799424, 999280, 1598848, 1998560, 3197696, 3997120, 6395392, 7994240, 12790784, 15988480, 25581568, 31976960, 63953920, 127907840]

約数ペア:

[(1, 127907840), (2, 63953920), (4, 31976960), (5, 25581568), (8, 15988480), (10, 12790784), (16, 7994240), (20, 6395392), (32, 3997120), (40, 3197696), (64, 1998560), (80, 1598848), (128, 999280), (160, 799424), (256, 499640), (320, 399712), (512, 249820), (640, 199856), (1024, 124910), (1280, 99928), (2048, 62455), (2560, 49964), (5120, 24982), (10240, 12491)]