210980480

素因数分解:

$2^7\times 5^1\times {\mathrm{329657}}^1$

素因数の和:329676

約数の個数: 32

約数和(自身を含む): 504376740

約数和(自身を除く): 293396260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 329657, 659314, 1318628, 1648285, 2637256, 3296570, 5274512, 6593140, 10549024, 13186280, 21098048, 26372560, 42196096, 52745120, 105490240, 210980480]

約数ペア:

[(1, 210980480), (2, 105490240), (4, 52745120), (5, 42196096), (8, 26372560), (10, 21098048), (16, 13186280), (20, 10549024), (32, 6593140), (40, 5274512), (64, 3296570), (80, 2637256), (128, 1648285), (160, 1318628), (320, 659314), (640, 329657)]