216526480

素因数分解:

$2^4\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2971}}^1$

素因数の和:3895

約数の個数: 40

約数和(自身を含む): 504146304

約数和(自身を除く): 287619824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911, 1822, 2971, 3644, 4555, 5942, 7288, 9110, 11884, 14576, 14855, 18220, 23768, 29710, 36440, 47536, 59420, 72880, 118840, 237680, 2706581, 5413162, 10826324, 13532905, 21652648, 27065810, 43305296, 54131620, 108263240, 216526480]

約数ペア:

[(1, 216526480), (2, 108263240), (4, 54131620), (5, 43305296), (8, 27065810), (10, 21652648), (16, 13532905), (20, 10826324), (40, 5413162), (80, 2706581), (911, 237680), (1822, 118840), (2971, 72880), (3644, 59420), (4555, 47536), (5942, 36440), (7288, 29710), (9110, 23768), (11884, 18220), (14576, 14855)]