326778880

素因数分解:

$2^{14}\times 5^1\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 60

約数和(自身を含む): 784441980

約数和(自身を除く): 457663100

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, 3989, 4096, 5120, 7978, 8192, 10240, 15956, 16384, 19945, 20480, 31912, 39890, 40960, 63824, 79780, 81920, 127648, 159560, 255296, 319120, 510592, 638240, 1021184, 1276480, 2042368, 2552960, 4084736, 5105920, 8169472, 10211840, 16338944, 20423680, 32677888, 40847360, 65355776, 81694720, 163389440, 326778880]

約数ペア:

[(1, 326778880), (2, 163389440), (4, 81694720), (5, 65355776), (8, 40847360), (10, 32677888), (16, 20423680), (20, 16338944), (32, 10211840), (40, 8169472), (64, 5105920), (80, 4084736), (128, 2552960), (160, 2042368), (256, 1276480), (320, 1021184), (512, 638240), (640, 510592), (1024, 319120), (1280, 255296), (2048, 159560), (2560, 127648), (3989, 81920), (4096, 79780), (5120, 63824), (7978, 40960), (8192, 39890), (10240, 31912), (15956, 20480), (16384, 19945)]